86880560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:766

約数の個数: 80

約数和(自身を含む): 219465120

約数和(自身を除く): 132584560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 601, 695, 1040, 1112, 1202, 1390, 1807, 2224, 2404, 2780, 3005, 3614, 4808, 5560, 6010, 7228, 7813, 9035, 9616, 11120, 12020, 14456, 15626, 18070, 24040, 28912, 31252, 36140, 39065, 48080, 62504, 72280, 78130, 83539, 125008, 144560, 156260, 167078, 312520, 334156, 417695, 625040, 668312, 835390, 1086007, 1336624, 1670780, 2172014, 3341560, 4344028, 5430035, 6683120, 8688056, 10860070, 17376112, 21720140, 43440280, 86880560]

約数ペア:

[(1, 86880560), (2, 43440280), (4, 21720140), (5, 17376112), (8, 10860070), (10, 8688056), (13, 6683120), (16, 5430035), (20, 4344028), (26, 3341560), (40, 2172014), (52, 1670780), (65, 1336624), (80, 1086007), (104, 835390), (130, 668312), (139, 625040), (208, 417695), (260, 334156), (278, 312520), (520, 167078), (556, 156260), (601, 144560), (695, 125008), (1040, 83539), (1112, 78130), (1202, 72280), (1390, 62504), (1807, 48080), (2224, 39065), (2404, 36140), (2780, 31252), (3005, 28912), (3614, 24040), (4808, 18070), (5560, 15626), (6010, 14456), (7228, 12020), (7813, 11120), (9035, 9616)]