317570520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 975744000

約数和(自身を除く): 658173480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 139, 158, 237, 241, 278, 316, 395, 417, 474, 482, 556, 632, 695, 723, 790, 834, 948, 964, 1112, 1185, 1205, 1390, 1446, 1580, 1668, 1896, 1928, 2085, 2370, 2410, 2780, 2892, 3160, 3336, 3615, 4170, 4740, 4820, 5560, 5784, 7230, 8340, 9480, 9640, 10981, 14460, 16680, 19039, 21962, 28920, 32943, 33499, 38078, 43924, 54905, 57117, 65886, 66998, 76156, 87848, 95195, 100497, 109810, 114234, 131772, 133996, 152312, 164715, 167495, 190390, 200994, 219620, 228468, 263544, 267992, 285585, 329430, 334990, 380780, 401988, 439240, 456936, 502485, 571170, 658860, 669980, 761560, 803976, 1004970, 1142340, 1317720, 1339960, 2009940, 2284680, 2646421, 4019880, 5292842, 7939263, 10585684, 13232105, 15878526, 21171368, 26464210, 31757052, 39696315, 52928420, 63514104, 79392630, 105856840, 158785260, 317570520]

約数ペア:

[(1, 317570520), (2, 158785260), (3, 105856840), (4, 79392630), (5, 63514104), (6, 52928420), (8, 39696315), (10, 31757052), (12, 26464210), (15, 21171368), (20, 15878526), (24, 13232105), (30, 10585684), (40, 7939263), (60, 5292842), (79, 4019880), (120, 2646421), (139, 2284680), (158, 2009940), (237, 1339960), (241, 1317720), (278, 1142340), (316, 1004970), (395, 803976), (417, 761560), (474, 669980), (482, 658860), (556, 571170), (632, 502485), (695, 456936), (723, 439240), (790, 401988), (834, 380780), (948, 334990), (964, 329430), (1112, 285585), (1185, 267992), (1205, 263544), (1390, 228468), (1446, 219620), (1580, 200994), (1668, 190390), (1896, 167495), (1928, 164715), (2085, 152312), (2370, 133996), (2410, 131772), (2780, 114234), (2892, 109810), (3160, 100497), (3336, 95195), (3615, 87848), (4170, 76156), (4740, 66998), (4820, 65886), (5560, 57117), (5784, 54905), (7230, 43924), (8340, 38078), (9480, 33499), (9640, 32943), (10981, 28920), (14460, 21962), (16680, 19039)]