257840640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 360

約数和(自身を含む): 972848448

約数和(自身を除く): 715007808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 32, 36, 38, 40, 45, 48, 57, 60, 62, 64, 72, 76, 80, 90, 93, 95, 96, 114, 120, 124, 128, 144, 152, 155, 160, 171, 180, 186, 190, 192, 228, 240, 248, 256, 279, 285, 288, 304, 310, 320, 342, 360, 361, 372, 380, 384, 456, 465, 480, 496, 512, 558, 570, 576, 589, 608, 620, 640, 684, 720, 722, 744, 760, 768, 855, 912, 930, 960, 992, 1083, 1116, 1140, 1152, 1178, 1216, 1240, 1280, 1368, 1395, 1440, 1444, 1488, 1520, 1536, 1710, 1767, 1805, 1824, 1860, 1920, 1984, 2166, 2232, 2280, 2304, 2356, 2432, 2480, 2560, 2736, 2790, 2880, 2888, 2945, 2976, 3040, 3249, 3420, 3534, 3610, 3648, 3720, 3840, 3968, 4332, 4464, 4560, 4608, 4712, 4864, 4960, 5301, 5415, 5472, 5580, 5760, 5776, 5890, 5952, 6080, 6498, 6840, 7068, 7220, 7296, 7440, 7680, 7936, 8664, 8835, 8928, 9120, 9424, 9728, 9920, 10602, 10830, 10944, 11160, 11191, 11520, 11552, 11780, 11904, 12160, 12996, 13680, 14136, 14440, 14592, 14880, 15872, 16245, 17328, 17670, 17856, 18240, 18848, 19840, 21204, 21660, 21888, 22320, 22382, 23040, 23104, 23560, 23808, 24320, 25992, 26505, 27360, 28272, 28880, 29184, 29760, 32490, 33573, 34656, 35340, 35712, 36480, 37696, 39680, 42408, 43320, 43776, 44640, 44764, 46208, 47120, 47616, 48640, 51984, 53010, 54720, 55955, 56544, 57760, 59520, 64980, 67146, 69312, 70680, 71424, 72960, 75392, 79360, 84816, 86640, 87552, 89280, 89528, 92416, 94240, 100719, 103968, 106020, 109440, 111910, 113088, 115520, 119040, 129960, 134292, 138624, 141360, 142848, 145920, 150784, 167865, 169632, 173280, 178560, 179056, 184832, 188480, 201438, 207936, 212040, 218880, 223820, 226176, 231040, 238080, 259920, 268584, 277248, 282720, 301568, 335730, 339264, 346560, 357120, 358112, 376960, 402876, 415872, 424080, 437760, 447640, 452352, 462080, 503595, 519840, 537168, 554496, 565440, 671460, 678528, 693120, 714240, 716224, 753920, 805752, 831744, 848160, 895280, 904704, 924160, 1007190, 1039680, 1074336, 1130880, 1342920, 1357056, 1386240, 1432448, 1507840, 1611504, 1663488, 1696320, 1790560, 2014380, 2079360, 2148672, 2261760, 2685840, 2714112, 2772480, 2864896, 3223008, 3392640, 3581120, 4028760, 4158720, 4297344, 4523520, 5371680, 5729792, 6446016, 6785280, 7162240, 8057520, 8317440, 8594688, 10743360, 12892032, 13570560, 14324480, 16115040, 17189376, 21486720, 25784064, 28648960, 32230080, 42973440, 51568128, 64460160, 85946880, 128920320, 257840640]

約数ペア:

[(1, 257840640), (2, 128920320), (3, 85946880), (4, 64460160), (5, 51568128), (6, 42973440), (8, 32230080), (9, 28648960), (10, 25784064), (12, 21486720), (15, 17189376), (16, 16115040), (18, 14324480), (19, 13570560), (20, 12892032), (24, 10743360), (30, 8594688), (31, 8317440), (32, 8057520), (36, 7162240), (38, 6785280), (40, 6446016), (45, 5729792), (48, 5371680), (57, 4523520), (60, 4297344), (62, 4158720), (64, 4028760), (72, 3581120), (76, 3392640), (80, 3223008), (90, 2864896), (93, 2772480), (95, 2714112), (96, 2685840), (114, 2261760), (120, 2148672), (124, 2079360), (128, 2014380), (144, 1790560), (152, 1696320), (155, 1663488), (160, 1611504), (171, 1507840), (180, 1432448), (186, 1386240), (190, 1357056), (192, 1342920), (228, 1130880), (240, 1074336), (248, 1039680), (256, 1007190), (279, 924160), (285, 904704), (288, 895280), (304, 848160), (310, 831744), (320, 805752), (342, 753920), (360, 716224), (361, 714240), (372, 693120), (380, 678528), (384, 671460), (456, 565440), (465, 554496), (480, 537168), (496, 519840), (512, 503595), (558, 462080), (570, 452352), (576, 447640), (589, 437760), (608, 424080), (620, 415872), (640, 402876), (684, 376960), (720, 358112), (722, 357120), (744, 346560), (760, 339264), (768, 335730), (855, 301568), (912, 282720), (930, 277248), (960, 268584), (992, 259920), (1083, 238080), (1116, 231040), (1140, 226176), (1152, 223820), (1178, 218880), (1216, 212040), (1240, 207936), (1280, 201438), (1368, 188480), (1395, 184832), (1440, 179056), (1444, 178560), (1488, 173280), (1520, 169632), (1536, 167865), (1710, 150784), (1767, 145920), (1805, 142848), (1824, 141360), (1860, 138624), (1920, 134292), (1984, 129960), (2166, 119040), (2232, 115520), (2280, 113088), (2304, 111910), (2356, 109440), (2432, 106020), (2480, 103968), (2560, 100719), (2736, 94240), (2790, 92416), (2880, 89528), (2888, 89280), (2945, 87552), (2976, 86640), (3040, 84816), (3249, 79360), (3420, 75392), (3534, 72960), (3610, 71424), (3648, 70680), (3720, 69312), (3840, 67146), (3968, 64980), (4332, 59520), (4464, 57760), (4560, 56544), (4608, 55955), (4712, 54720), (4864, 53010), (4960, 51984), (5301, 48640), (5415, 47616), (5472, 47120), (5580, 46208), (5760, 44764), (5776, 44640), (5890, 43776), (5952, 43320), (6080, 42408), (6498, 39680), (6840, 37696), (7068, 36480), (7220, 35712), (7296, 35340), (7440, 34656), (7680, 33573), (7936, 32490), (8664, 29760), (8835, 29184), (8928, 28880), (9120, 28272), (9424, 27360), (9728, 26505), (9920, 25992), (10602, 24320), (10830, 23808), (10944, 23560), (11160, 23104), (11191, 23040), (11520, 22382), (11552, 22320), (11780, 21888), (11904, 21660), (12160, 21204), (12996, 19840), (13680, 18848), (14136, 18240), (14440, 17856), (14592, 17670), (14880, 17328), (15872, 16245)]