251175680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 216

約数和(自身を含む): 737949408

約数和(自身を除く): 486773728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 97, 112, 119, 128, 136, 140, 160, 170, 194, 224, 238, 256, 272, 280, 289, 320, 340, 388, 448, 476, 485, 544, 560, 578, 595, 640, 679, 680, 776, 896, 952, 970, 1088, 1120, 1156, 1190, 1280, 1358, 1360, 1445, 1552, 1649, 1792, 1904, 1940, 2023, 2176, 2240, 2312, 2380, 2716, 2720, 2890, 3104, 3298, 3395, 3808, 3880, 4046, 4352, 4480, 4624, 4760, 5432, 5440, 5780, 6208, 6596, 6790, 7616, 7760, 8092, 8245, 8960, 9248, 9520, 10115, 10864, 10880, 11543, 11560, 12416, 13192, 13580, 15232, 15520, 16184, 16490, 18496, 19040, 20230, 21728, 21760, 23086, 23120, 24832, 26384, 27160, 28033, 30464, 31040, 32368, 32980, 36992, 38080, 40460, 43456, 46172, 46240, 52768, 54320, 56066, 57715, 62080, 64736, 65960, 73984, 76160, 80920, 86912, 92344, 92480, 105536, 108640, 112132, 115430, 124160, 129472, 131920, 140165, 152320, 161840, 173824, 184688, 184960, 196231, 211072, 217280, 224264, 230860, 258944, 263840, 280330, 323680, 369376, 369920, 392462, 422144, 434560, 448528, 461720, 517888, 527680, 560660, 647360, 738752, 784924, 869120, 897056, 923440, 981155, 1055360, 1121320, 1294720, 1477504, 1569848, 1794112, 1846880, 1962310, 2110720, 2242640, 2589440, 2955008, 3139696, 3588224, 3693760, 3924620, 4485280, 6279392, 7176448, 7387520, 7849240, 8970560, 12558784, 14775040, 15698480, 17941120, 25117568, 31396960, 35882240, 50235136, 62793920, 125587840, 251175680]

約数ペア:

[(1, 251175680), (2, 125587840), (4, 62793920), (5, 50235136), (7, 35882240), (8, 31396960), (10, 25117568), (14, 17941120), (16, 15698480), (17, 14775040), (20, 12558784), (28, 8970560), (32, 7849240), (34, 7387520), (35, 7176448), (40, 6279392), (56, 4485280), (64, 3924620), (68, 3693760), (70, 3588224), (80, 3139696), (85, 2955008), (97, 2589440), (112, 2242640), (119, 2110720), (128, 1962310), (136, 1846880), (140, 1794112), (160, 1569848), (170, 1477504), (194, 1294720), (224, 1121320), (238, 1055360), (256, 981155), (272, 923440), (280, 897056), (289, 869120), (320, 784924), (340, 738752), (388, 647360), (448, 560660), (476, 527680), (485, 517888), (544, 461720), (560, 448528), (578, 434560), (595, 422144), (640, 392462), (679, 369920), (680, 369376), (776, 323680), (896, 280330), (952, 263840), (970, 258944), (1088, 230860), (1120, 224264), (1156, 217280), (1190, 211072), (1280, 196231), (1358, 184960), (1360, 184688), (1445, 173824), (1552, 161840), (1649, 152320), (1792, 140165), (1904, 131920), (1940, 129472), (2023, 124160), (2176, 115430), (2240, 112132), (2312, 108640), (2380, 105536), (2716, 92480), (2720, 92344), (2890, 86912), (3104, 80920), (3298, 76160), (3395, 73984), (3808, 65960), (3880, 64736), (4046, 62080), (4352, 57715), (4480, 56066), (4624, 54320), (4760, 52768), (5432, 46240), (5440, 46172), (5780, 43456), (6208, 40460), (6596, 38080), (6790, 36992), (7616, 32980), (7760, 32368), (8092, 31040), (8245, 30464), (8960, 28033), (9248, 27160), (9520, 26384), (10115, 24832), (10864, 23120), (10880, 23086), (11543, 21760), (11560, 21728), (12416, 20230), (13192, 19040), (13580, 18496), (15232, 16490), (15520, 16184)]