156905177780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{148531}}^1$

素因数の和:148809

約数の個数: 96

約数和(自身を含む): 377295045120

約数和(自身を除く): 220389867340

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 239, 260, 340, 442, 478, 884, 956, 1105, 1195, 2210, 2390, 3107, 4063, 4420, 4780, 6214, 8126, 12428, 15535, 16252, 20315, 31070, 40630, 52819, 62140, 81260, 105638, 148531, 211276, 264095, 297062, 528190, 594124, 742655, 1056380, 1485310, 1930903, 2525027, 2970620, 3861806, 5050054, 7723612, 9654515, 10100108, 12625135, 19309030, 25250270, 32825351, 35498909, 38618060, 50500540, 65650702, 70997818, 131301404, 141995636, 164126755, 177494545, 328253510, 354989090, 461485817, 603481453, 656507020, 709978180, 922971634, 1206962906, 1845943268, 2307429085, 2413925812, 3017407265, 4614858170, 6034814530, 7845258889, 9229716340, 12069629060, 15690517778, 31381035556, 39226294445, 78452588890, 156905177780]

約数ペア:

[(1, 156905177780), (2, 78452588890), (4, 39226294445), (5, 31381035556), (10, 15690517778), (13, 12069629060), (17, 9229716340), (20, 7845258889), (26, 6034814530), (34, 4614858170), (52, 3017407265), (65, 2413925812), (68, 2307429085), (85, 1845943268), (130, 1206962906), (170, 922971634), (221, 709978180), (239, 656507020), (260, 603481453), (340, 461485817), (442, 354989090), (478, 328253510), (884, 177494545), (956, 164126755), (1105, 141995636), (1195, 131301404), (2210, 70997818), (2390, 65650702), (3107, 50500540), (4063, 38618060), (4420, 35498909), (4780, 32825351), (6214, 25250270), (8126, 19309030), (12428, 12625135), (15535, 10100108), (16252, 9654515), (20315, 7723612), (31070, 5050054), (40630, 3861806), (52819, 2970620), (62140, 2525027), (81260, 1930903), (105638, 1485310), (148531, 1056380), (211276, 742655), (264095, 594124), (297062, 528190)]