78996840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 258854400

約数和(自身を除く): 179857560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 632, 641, 780, 790, 948, 1027, 1185, 1282, 1560, 1580, 1896, 1923, 2054, 2370, 2564, 3081, 3160, 3205, 3846, 4108, 4740, 5128, 5135, 6162, 6410, 7692, 8216, 8333, 9480, 9615, 10270, 12324, 12820, 15384, 15405, 16666, 19230, 20540, 24648, 24999, 25640, 30810, 33332, 38460, 41080, 41665, 49998, 50639, 61620, 66664, 76920, 83330, 99996, 101278, 123240, 124995, 151917, 166660, 199992, 202556, 249990, 253195, 303834, 333320, 405112, 499980, 506390, 607668, 658307, 759585, 999960, 1012780, 1215336, 1316614, 1519170, 1974921, 2025560, 2633228, 3038340, 3291535, 3949842, 5266456, 6076680, 6583070, 7899684, 9874605, 13166140, 15799368, 19749210, 26332280, 39498420, 78996840]

約数ペア:

[(1, 78996840), (2, 39498420), (3, 26332280), (4, 19749210), (5, 15799368), (6, 13166140), (8, 9874605), (10, 7899684), (12, 6583070), (13, 6076680), (15, 5266456), (20, 3949842), (24, 3291535), (26, 3038340), (30, 2633228), (39, 2025560), (40, 1974921), (52, 1519170), (60, 1316614), (65, 1215336), (78, 1012780), (79, 999960), (104, 759585), (120, 658307), (130, 607668), (156, 506390), (158, 499980), (195, 405112), (237, 333320), (260, 303834), (312, 253195), (316, 249990), (390, 202556), (395, 199992), (474, 166660), (520, 151917), (632, 124995), (641, 123240), (780, 101278), (790, 99996), (948, 83330), (1027, 76920), (1185, 66664), (1282, 61620), (1560, 50639), (1580, 49998), (1896, 41665), (1923, 41080), (2054, 38460), (2370, 33332), (2564, 30810), (3081, 25640), (3160, 24999), (3205, 24648), (3846, 20540), (4108, 19230), (4740, 16666), (5128, 15405), (5135, 15384), (6162, 12820), (6410, 12324), (7692, 10270), (8216, 9615), (8333, 9480)]