261610440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23957}}^1$

素因数の和:23991

約数の個数: 128

約数和(自身を含む): 965986560

約数和(自身を除く): 704376120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 23957, 47914, 71871, 95828, 119785, 143742, 167699, 191656, 239570, 287484, 311441, 335398, 359355, 479140, 503097, 574968, 622882, 670796, 718710, 838495, 934323, 958280, 1006194, 1245764, 1341592, 1437420, 1557205, 1676990, 1868646, 2012388, 2180087, 2491528, 2515485, 2874840, 3114410, 3353980, 3737292, 4024776, 4360174, 4671615, 5030970, 6228820, 6540261, 6707960, 7474584, 8720348, 9343230, 10061940, 10900435, 12457640, 13080522, 17440696, 18686460, 20123880, 21800870, 26161044, 32701305, 37372920, 43601740, 52322088, 65402610, 87203480, 130805220, 261610440]

約数ペア:

[(1, 261610440), (2, 130805220), (3, 87203480), (4, 65402610), (5, 52322088), (6, 43601740), (7, 37372920), (8, 32701305), (10, 26161044), (12, 21800870), (13, 20123880), (14, 18686460), (15, 17440696), (20, 13080522), (21, 12457640), (24, 10900435), (26, 10061940), (28, 9343230), (30, 8720348), (35, 7474584), (39, 6707960), (40, 6540261), (42, 6228820), (52, 5030970), (56, 4671615), (60, 4360174), (65, 4024776), (70, 3737292), (78, 3353980), (84, 3114410), (91, 2874840), (104, 2515485), (105, 2491528), (120, 2180087), (130, 2012388), (140, 1868646), (156, 1676990), (168, 1557205), (182, 1437420), (195, 1341592), (210, 1245764), (260, 1006194), (273, 958280), (280, 934323), (312, 838495), (364, 718710), (390, 670796), (420, 622882), (455, 574968), (520, 503097), (546, 479140), (728, 359355), (780, 335398), (840, 311441), (910, 287484), (1092, 239570), (1365, 191656), (1560, 167699), (1820, 143742), (2184, 119785), (2730, 95828), (3640, 71871), (5460, 47914), (10920, 23957)]