87739960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:557

約数の個数: 128

約数和(自身を含む): 250698240

約数和(自身を除く): 162958280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 154, 220, 244, 280, 305, 308, 385, 427, 440, 467, 488, 610, 616, 671, 770, 854, 934, 1220, 1342, 1540, 1708, 1868, 2135, 2335, 2440, 2684, 3080, 3269, 3355, 3416, 3736, 4270, 4670, 4697, 5137, 5368, 6538, 6710, 8540, 9340, 9394, 10274, 13076, 13420, 16345, 17080, 18680, 18788, 20548, 23485, 25685, 26152, 26840, 28487, 32690, 35959, 37576, 41096, 46970, 51370, 56974, 65380, 71918, 93940, 102740, 113948, 130760, 142435, 143836, 179795, 187880, 199409, 205480, 227896, 284870, 287672, 313357, 359590, 398818, 569740, 626714, 719180, 797636, 997045, 1139480, 1253428, 1438360, 1566785, 1595272, 1994090, 2193499, 2506856, 3133570, 3988180, 4386998, 6267140, 7976360, 8773996, 10967495, 12534280, 17547992, 21934990, 43869980, 87739960]

約数ペア:

[(1, 87739960), (2, 43869980), (4, 21934990), (5, 17547992), (7, 12534280), (8, 10967495), (10, 8773996), (11, 7976360), (14, 6267140), (20, 4386998), (22, 3988180), (28, 3133570), (35, 2506856), (40, 2193499), (44, 1994090), (55, 1595272), (56, 1566785), (61, 1438360), (70, 1253428), (77, 1139480), (88, 997045), (110, 797636), (122, 719180), (140, 626714), (154, 569740), (220, 398818), (244, 359590), (280, 313357), (305, 287672), (308, 284870), (385, 227896), (427, 205480), (440, 199409), (467, 187880), (488, 179795), (610, 143836), (616, 142435), (671, 130760), (770, 113948), (854, 102740), (934, 93940), (1220, 71918), (1342, 65380), (1540, 56974), (1708, 51370), (1868, 46970), (2135, 41096), (2335, 37576), (2440, 35959), (2684, 32690), (3080, 28487), (3269, 26840), (3355, 26152), (3416, 25685), (3736, 23485), (4270, 20548), (4670, 18788), (4697, 18680), (5137, 17080), (5368, 16345), (6538, 13420), (6710, 13076), (8540, 10274), (9340, 9394)]