256982880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:462

約数の個数: 384

約数和(自身を含む): 1071221760

約数和(自身を除く): 814238880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 24, 28, 30, 32, 33, 34, 35, 40, 42, 44, 48, 51, 55, 56, 60, 66, 68, 70, 77, 80, 84, 85, 88, 96, 102, 105, 110, 112, 119, 120, 132, 136, 140, 154, 160, 165, 168, 170, 176, 187, 204, 210, 220, 224, 231, 238, 240, 255, 264, 272, 280, 308, 330, 336, 340, 352, 357, 374, 385, 408, 409, 420, 440, 462, 476, 480, 510, 528, 544, 560, 561, 595, 616, 660, 672, 680, 714, 748, 770, 816, 818, 840, 880, 924, 935, 952, 1020, 1056, 1120, 1122, 1155, 1190, 1227, 1232, 1309, 1320, 1360, 1428, 1496, 1540, 1632, 1636, 1680, 1760, 1785, 1848, 1870, 1904, 2040, 2045, 2244, 2310, 2380, 2454, 2464, 2618, 2640, 2720, 2805, 2856, 2863, 2992, 3080, 3272, 3360, 3570, 3696, 3740, 3808, 3927, 4080, 4090, 4488, 4499, 4620, 4760, 4908, 5236, 5280, 5610, 5712, 5726, 5984, 6135, 6160, 6544, 6545, 6953, 7140, 7392, 7480, 7854, 8160, 8180, 8589, 8976, 8998, 9240, 9520, 9816, 10472, 11220, 11424, 11452, 12270, 12320, 13088, 13090, 13497, 13906, 14280, 14315, 14960, 15708, 16360, 17178, 17952, 17996, 18480, 19040, 19632, 19635, 20859, 20944, 22440, 22495, 22904, 24540, 26180, 26994, 27812, 28560, 28630, 29920, 31416, 31493, 32720, 34356, 34765, 35992, 36960, 39264, 39270, 41718, 41888, 42945, 44880, 44990, 45808, 48671, 49080, 52360, 53988, 55624, 57120, 57260, 62832, 62986, 65440, 67485, 68712, 69530, 71984, 76483, 78540, 83436, 85890, 89760, 89980, 91616, 94479, 97342, 98160, 104295, 104720, 107976, 111248, 114520, 125664, 125972, 134970, 137424, 139060, 143968, 146013, 152966, 157080, 157465, 166872, 171780, 179960, 188958, 194684, 196320, 208590, 209440, 215952, 222496, 229040, 229449, 243355, 251944, 269940, 274848, 278120, 292026, 305932, 314160, 314930, 333744, 343560, 359920, 377916, 382415, 389368, 417180, 431904, 458080, 458898, 472395, 486710, 503888, 535381, 539880, 556240, 584052, 611864, 628320, 629860, 667488, 687120, 719840, 730065, 755832, 764830, 778736, 834360, 917796, 944790, 973420, 1007776, 1070762, 1079760, 1112480, 1147245, 1168104, 1223728, 1259720, 1374240, 1460130, 1511664, 1529660, 1557472, 1606143, 1668720, 1835592, 1889580, 1946840, 2141524, 2159520, 2294490, 2336208, 2447456, 2519440, 2676905, 2920260, 3023328, 3059320, 3212286, 3337440, 3671184, 3779160, 3893680, 4283048, 4588980, 4672416, 5038880, 5353810, 5840520, 6118640, 6424572, 7342368, 7558320, 7787360, 8030715, 8566096, 9177960, 10707620, 11681040, 12237280, 12849144, 15116640, 16061430, 17132192, 18355920, 21415240, 23362080, 25698288, 32122860, 36711840, 42830480, 51396576, 64245720, 85660960, 128491440, 256982880]

約数ペア:

[(1, 256982880), (2, 128491440), (3, 85660960), (4, 64245720), (5, 51396576), (6, 42830480), (7, 36711840), (8, 32122860), (10, 25698288), (11, 23362080), (12, 21415240), (14, 18355920), (15, 17132192), (16, 16061430), (17, 15116640), (20, 12849144), (21, 12237280), (22, 11681040), (24, 10707620), (28, 9177960), (30, 8566096), (32, 8030715), (33, 7787360), (34, 7558320), (35, 7342368), (40, 6424572), (42, 6118640), (44, 5840520), (48, 5353810), (51, 5038880), (55, 4672416), (56, 4588980), (60, 4283048), (66, 3893680), (68, 3779160), (70, 3671184), (77, 3337440), (80, 3212286), (84, 3059320), (85, 3023328), (88, 2920260), (96, 2676905), (102, 2519440), (105, 2447456), (110, 2336208), (112, 2294490), (119, 2159520), (120, 2141524), (132, 1946840), (136, 1889580), (140, 1835592), (154, 1668720), (160, 1606143), (165, 1557472), (168, 1529660), (170, 1511664), (176, 1460130), (187, 1374240), (204, 1259720), (210, 1223728), (220, 1168104), (224, 1147245), (231, 1112480), (238, 1079760), (240, 1070762), (255, 1007776), (264, 973420), (272, 944790), (280, 917796), (308, 834360), (330, 778736), (336, 764830), (340, 755832), (352, 730065), (357, 719840), (374, 687120), (385, 667488), (408, 629860), (409, 628320), (420, 611864), (440, 584052), (462, 556240), (476, 539880), (480, 535381), (510, 503888), (528, 486710), (544, 472395), (560, 458898), (561, 458080), (595, 431904), (616, 417180), (660, 389368), (672, 382415), (680, 377916), (714, 359920), (748, 343560), (770, 333744), (816, 314930), (818, 314160), (840, 305932), (880, 292026), (924, 278120), (935, 274848), (952, 269940), (1020, 251944), (1056, 243355), (1120, 229449), (1122, 229040), (1155, 222496), (1190, 215952), (1227, 209440), (1232, 208590), (1309, 196320), (1320, 194684), (1360, 188958), (1428, 179960), (1496, 171780), (1540, 166872), (1632, 157465), (1636, 157080), (1680, 152966), (1760, 146013), (1785, 143968), (1848, 139060), (1870, 137424), (1904, 134970), (2040, 125972), (2045, 125664), (2244, 114520), (2310, 111248), (2380, 107976), (2454, 104720), (2464, 104295), (2618, 98160), (2640, 97342), (2720, 94479), (2805, 91616), (2856, 89980), (2863, 89760), (2992, 85890), (3080, 83436), (3272, 78540), (3360, 76483), (3570, 71984), (3696, 69530), (3740, 68712), (3808, 67485), (3927, 65440), (4080, 62986), (4090, 62832), (4488, 57260), (4499, 57120), (4620, 55624), (4760, 53988), (4908, 52360), (5236, 49080), (5280, 48671), (5610, 45808), (5712, 44990), (5726, 44880), (5984, 42945), (6135, 41888), (6160, 41718), (6544, 39270), (6545, 39264), (6953, 36960), (7140, 35992), (7392, 34765), (7480, 34356), (7854, 32720), (8160, 31493), (8180, 31416), (8589, 29920), (8976, 28630), (8998, 28560), (9240, 27812), (9520, 26994), (9816, 26180), (10472, 24540), (11220, 22904), (11424, 22495), (11452, 22440), (12270, 20944), (12320, 20859), (13088, 19635), (13090, 19632), (13497, 19040), (13906, 18480), (14280, 17996), (14315, 17952), (14960, 17178), (15708, 16360)]