256541040

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 480

約数和(自身を含む): 1088501760

約数和(自身を除く): 831960720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 47, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 94, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 141, 144, 152, 168, 171, 180, 188, 189, 190, 210, 216, 228, 235, 240, 252, 266, 270, 280, 282, 285, 304, 315, 329, 336, 342, 360, 361, 376, 378, 380, 399, 420, 423, 432, 456, 470, 504, 513, 532, 540, 560, 564, 570, 630, 658, 665, 684, 705, 720, 722, 752, 756, 760, 798, 840, 846, 855, 893, 912, 940, 945, 987, 1008, 1026, 1064, 1080, 1083, 1128, 1140, 1197, 1260, 1269, 1316, 1330, 1368, 1410, 1444, 1512, 1520, 1596, 1645, 1680, 1692, 1710, 1786, 1805, 1880, 1890, 1974, 1995, 2052, 2115, 2128, 2160, 2166, 2256, 2280, 2394, 2520, 2527, 2538, 2565, 2632, 2660, 2679, 2736, 2820, 2888, 2961, 3024, 3192, 3249, 3290, 3384, 3420, 3572, 3591, 3610, 3760, 3780, 3948, 3990, 4104, 4230, 4332, 4465, 4560, 4788, 4935, 5040, 5054, 5076, 5130, 5264, 5320, 5358, 5415, 5640, 5776, 5922, 5985, 6251, 6345, 6384, 6498, 6580, 6768, 6840, 7144, 7182, 7220, 7560, 7581, 7896, 7980, 8037, 8208, 8460, 8664, 8883, 8930, 9576, 9747, 9870, 10108, 10152, 10260, 10640, 10716, 10830, 11280, 11844, 11970, 12502, 12635, 12690, 12996, 13160, 13395, 13680, 14288, 14364, 14440, 14805, 15120, 15162, 15792, 15960, 16074, 16245, 16920, 16967, 17328, 17766, 17860, 17955, 18753, 19152, 19494, 19740, 20216, 20304, 20520, 21432, 21660, 22743, 23688, 23940, 24111, 25004, 25270, 25380, 25992, 26320, 26790, 28728, 28880, 29610, 30324, 31255, 31920, 32148, 32490, 33840, 33934, 35532, 35720, 35910, 37506, 37905, 38988, 39480, 40185, 40432, 41040, 42864, 43320, 44415, 45486, 47376, 47880, 48222, 48735, 50008, 50540, 50760, 50901, 51984, 53580, 56259, 57456, 59220, 60648, 62510, 64296, 64980, 67868, 68229, 71064, 71440, 71820, 75012, 75810, 77976, 78960, 80370, 84835, 86640, 88830, 90972, 93765, 95760, 96444, 97470, 100016, 101080, 101520, 101802, 107160, 112518, 113715, 118440, 118769, 120555, 121296, 125020, 128592, 129960, 135736, 136458, 142128, 143640, 150024, 151620, 152703, 155952, 160740, 168777, 169670, 177660, 181944, 187530, 192888, 194940, 202160, 203604, 214320, 225036, 227430, 236880, 237538, 241110, 250040, 254505, 259920, 271472, 272916, 281295, 287280, 300048, 303240, 305406, 321480, 337554, 339340, 341145, 355320, 356307, 363888, 375060, 385776, 389880, 407208, 450072, 454860, 458109, 475076, 482220, 500080, 509010, 545832, 562590, 593845, 606480, 610812, 642960, 675108, 678680, 682290, 710640, 712614, 750120, 763515, 779760, 814416, 843885, 900144, 909720, 916218, 950152, 964440, 1018020, 1068921, 1091664, 1125180, 1187690, 1221624, 1350216, 1357360, 1364580, 1425228, 1500240, 1527030, 1687770, 1781535, 1819440, 1832436, 1900304, 1928880, 2036040, 2137842, 2250360, 2290545, 2375380, 2443248, 2700432, 2729160, 2850456, 3054060, 3206763, 3375540, 3563070, 3664872, 4072080, 4275684, 4500720, 4581090, 4750760, 5344605, 5458320, 5700912, 6108120, 6413526, 6751080, 7126140, 7329744, 8551368, 9162180, 9501520, 10689210, 12216240, 12827052, 13502160, 14252280, 16033815, 17102736, 18324360, 21378420, 25654104, 28504560, 32067630, 36648720, 42756840, 51308208, 64135260, 85513680, 128270520, 256541040]

約数ペア:

[(1, 256541040), (2, 128270520), (3, 85513680), (4, 64135260), (5, 51308208), (6, 42756840), (7, 36648720), (8, 32067630), (9, 28504560), (10, 25654104), (12, 21378420), (14, 18324360), (15, 17102736), (16, 16033815), (18, 14252280), (19, 13502160), (20, 12827052), (21, 12216240), (24, 10689210), (27, 9501520), (28, 9162180), (30, 8551368), (35, 7329744), (36, 7126140), (38, 6751080), (40, 6413526), (42, 6108120), (45, 5700912), (47, 5458320), (48, 5344605), (54, 4750760), (56, 4581090), (57, 4500720), (60, 4275684), (63, 4072080), (70, 3664872), (72, 3563070), (76, 3375540), (80, 3206763), (84, 3054060), (90, 2850456), (94, 2729160), (95, 2700432), (105, 2443248), (108, 2375380), (112, 2290545), (114, 2250360), (120, 2137842), (126, 2036040), (133, 1928880), (135, 1900304), (140, 1832436), (141, 1819440), (144, 1781535), (152, 1687770), (168, 1527030), (171, 1500240), (180, 1425228), (188, 1364580), (189, 1357360), (190, 1350216), (210, 1221624), (216, 1187690), (228, 1125180), (235, 1091664), (240, 1068921), (252, 1018020), (266, 964440), (270, 950152), (280, 916218), (282, 909720), (285, 900144), (304, 843885), (315, 814416), (329, 779760), (336, 763515), (342, 750120), (360, 712614), (361, 710640), (376, 682290), (378, 678680), (380, 675108), (399, 642960), (420, 610812), (423, 606480), (432, 593845), (456, 562590), (470, 545832), (504, 509010), (513, 500080), (532, 482220), (540, 475076), (560, 458109), (564, 454860), (570, 450072), (630, 407208), (658, 389880), (665, 385776), (684, 375060), (705, 363888), (720, 356307), (722, 355320), (752, 341145), (756, 339340), (760, 337554), (798, 321480), (840, 305406), (846, 303240), (855, 300048), (893, 287280), (912, 281295), (940, 272916), (945, 271472), (987, 259920), (1008, 254505), (1026, 250040), (1064, 241110), (1080, 237538), (1083, 236880), (1128, 227430), (1140, 225036), (1197, 214320), (1260, 203604), (1269, 202160), (1316, 194940), (1330, 192888), (1368, 187530), (1410, 181944), (1444, 177660), (1512, 169670), (1520, 168777), (1596, 160740), (1645, 155952), (1680, 152703), (1692, 151620), (1710, 150024), (1786, 143640), (1805, 142128), (1880, 136458), (1890, 135736), (1974, 129960), (1995, 128592), (2052, 125020), (2115, 121296), (2128, 120555), (2160, 118769), (2166, 118440), (2256, 113715), (2280, 112518), (2394, 107160), (2520, 101802), (2527, 101520), (2538, 101080), (2565, 100016), (2632, 97470), (2660, 96444), (2679, 95760), (2736, 93765), (2820, 90972), (2888, 88830), (2961, 86640), (3024, 84835), (3192, 80370), (3249, 78960), (3290, 77976), (3384, 75810), (3420, 75012), (3572, 71820), (3591, 71440), (3610, 71064), (3760, 68229), (3780, 67868), (3948, 64980), (3990, 64296), (4104, 62510), (4230, 60648), (4332, 59220), (4465, 57456), (4560, 56259), (4788, 53580), (4935, 51984), (5040, 50901), (5054, 50760), (5076, 50540), (5130, 50008), (5264, 48735), (5320, 48222), (5358, 47880), (5415, 47376), (5640, 45486), (5776, 44415), (5922, 43320), (5985, 42864), (6251, 41040), (6345, 40432), (6384, 40185), (6498, 39480), (6580, 38988), (6768, 37905), (6840, 37506), (7144, 35910), (7182, 35720), (7220, 35532), (7560, 33934), (7581, 33840), (7896, 32490), (7980, 32148), (8037, 31920), (8208, 31255), (8460, 30324), (8664, 29610), (8883, 28880), (8930, 28728), (9576, 26790), (9747, 26320), (9870, 25992), (10108, 25380), (10152, 25270), (10260, 25004), (10640, 24111), (10716, 23940), (10830, 23688), (11280, 22743), (11844, 21660), (11970, 21432), (12502, 20520), (12635, 20304), (12690, 20216), (12996, 19740), (13160, 19494), (13395, 19152), (13680, 18753), (14288, 17955), (14364, 17860), (14440, 17766), (14805, 17328), (15120, 16967), (15162, 16920), (15792, 16245), (15960, 16074)]