261020496

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 160

約数和(自身を含む): 781664256

約数和(自身を除く): 520643760

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 37, 44, 48, 62, 66, 74, 88, 93, 111, 124, 132, 148, 176, 186, 222, 248, 264, 296, 341, 372, 407, 431, 444, 496, 528, 592, 682, 744, 814, 862, 888, 1023, 1147, 1221, 1293, 1364, 1488, 1628, 1724, 1776, 2046, 2294, 2442, 2586, 2728, 3256, 3441, 3448, 4092, 4588, 4741, 4884, 5172, 5456, 6512, 6882, 6896, 8184, 9176, 9482, 9768, 10344, 12617, 13361, 13764, 14223, 15947, 16368, 18352, 18964, 19536, 20688, 25234, 26722, 27528, 28446, 31894, 37851, 37928, 40083, 47841, 50468, 53444, 55056, 56892, 63788, 75702, 75856, 80166, 95682, 100936, 106888, 113784, 127576, 146971, 151404, 160332, 175417, 191364, 201872, 213776, 227568, 255152, 293942, 302808, 320664, 350834, 382728, 440913, 494357, 526251, 587884, 605616, 641328, 701668, 765456, 881826, 988714, 1052502, 1175768, 1403336, 1483071, 1763652, 1977428, 2105004, 2351536, 2806672, 2966142, 3527304, 3954856, 4210008, 5437927, 5932284, 7054608, 7909712, 8420016, 10875854, 11864568, 16313781, 21751708, 23729136, 32627562, 43503416, 65255124, 87006832, 130510248, 261020496]

約数ペア:

[(1, 261020496), (2, 130510248), (3, 87006832), (4, 65255124), (6, 43503416), (8, 32627562), (11, 23729136), (12, 21751708), (16, 16313781), (22, 11864568), (24, 10875854), (31, 8420016), (33, 7909712), (37, 7054608), (44, 5932284), (48, 5437927), (62, 4210008), (66, 3954856), (74, 3527304), (88, 2966142), (93, 2806672), (111, 2351536), (124, 2105004), (132, 1977428), (148, 1763652), (176, 1483071), (186, 1403336), (222, 1175768), (248, 1052502), (264, 988714), (296, 881826), (341, 765456), (372, 701668), (407, 641328), (431, 605616), (444, 587884), (496, 526251), (528, 494357), (592, 440913), (682, 382728), (744, 350834), (814, 320664), (862, 302808), (888, 293942), (1023, 255152), (1147, 227568), (1221, 213776), (1293, 201872), (1364, 191364), (1488, 175417), (1628, 160332), (1724, 151404), (1776, 146971), (2046, 127576), (2294, 113784), (2442, 106888), (2586, 100936), (2728, 95682), (3256, 80166), (3441, 75856), (3448, 75702), (4092, 63788), (4588, 56892), (4741, 55056), (4884, 53444), (5172, 50468), (5456, 47841), (6512, 40083), (6882, 37928), (6896, 37851), (8184, 31894), (9176, 28446), (9482, 27528), (9768, 26722), (10344, 25234), (12617, 20688), (13361, 19536), (13764, 18964), (14223, 18352), (15947, 16368)]