178987120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2917}}^1$

素因数の和:3002

約数の個数: 80

約数和(自身を含む): 455908320

約数和(自身を除く): 276921200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2360, 2917, 3068, 3835, 4720, 5834, 6136, 7670, 11668, 12272, 14585, 15340, 23336, 29170, 30680, 37921, 46672, 58340, 61360, 75842, 116680, 151684, 172103, 189605, 233360, 303368, 344206, 379210, 606736, 688412, 758420, 860515, 1376824, 1516840, 1721030, 2237339, 2753648, 3033680, 3442060, 4474678, 6884120, 8949356, 11186695, 13768240, 17898712, 22373390, 35797424, 44746780, 89493560, 178987120]

約数ペア:

[(1, 178987120), (2, 89493560), (4, 44746780), (5, 35797424), (8, 22373390), (10, 17898712), (13, 13768240), (16, 11186695), (20, 8949356), (26, 6884120), (40, 4474678), (52, 3442060), (59, 3033680), (65, 2753648), (80, 2237339), (104, 1721030), (118, 1516840), (130, 1376824), (208, 860515), (236, 758420), (260, 688412), (295, 606736), (472, 379210), (520, 344206), (590, 303368), (767, 233360), (944, 189605), (1040, 172103), (1180, 151684), (1534, 116680), (2360, 75842), (2917, 61360), (3068, 58340), (3835, 46672), (4720, 37921), (5834, 30680), (6136, 29170), (7670, 23336), (11668, 15340), (12272, 14585)]