279940440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1291}}^1$

素因数の和:1457

約数の個数: 128

約数和(自身を含む): 911635200

約数和(自身を除く): 631694760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 139, 156, 195, 260, 278, 312, 390, 417, 520, 556, 695, 780, 834, 1112, 1291, 1390, 1560, 1668, 1807, 2085, 2582, 2780, 3336, 3614, 3873, 4170, 5164, 5421, 5560, 6455, 7228, 7746, 8340, 9035, 10328, 10842, 12910, 14456, 15492, 16680, 16783, 18070, 19365, 21684, 25820, 27105, 30984, 33566, 36140, 38730, 43368, 50349, 51640, 54210, 67132, 72280, 77460, 83915, 100698, 108420, 134264, 154920, 167830, 179449, 201396, 216840, 251745, 335660, 358898, 402792, 503490, 538347, 671320, 717796, 897245, 1006980, 1076694, 1435592, 1794490, 2013960, 2153388, 2332837, 2691735, 3588980, 4306776, 4665674, 5383470, 6998511, 7177960, 9331348, 10766940, 11664185, 13997022, 18662696, 21533880, 23328370, 27994044, 34992555, 46656740, 55988088, 69985110, 93313480, 139970220, 279940440]

約数ペア:

[(1, 279940440), (2, 139970220), (3, 93313480), (4, 69985110), (5, 55988088), (6, 46656740), (8, 34992555), (10, 27994044), (12, 23328370), (13, 21533880), (15, 18662696), (20, 13997022), (24, 11664185), (26, 10766940), (30, 9331348), (39, 7177960), (40, 6998511), (52, 5383470), (60, 4665674), (65, 4306776), (78, 3588980), (104, 2691735), (120, 2332837), (130, 2153388), (139, 2013960), (156, 1794490), (195, 1435592), (260, 1076694), (278, 1006980), (312, 897245), (390, 717796), (417, 671320), (520, 538347), (556, 503490), (695, 402792), (780, 358898), (834, 335660), (1112, 251745), (1291, 216840), (1390, 201396), (1560, 179449), (1668, 167830), (1807, 154920), (2085, 134264), (2582, 108420), (2780, 100698), (3336, 83915), (3614, 77460), (3873, 72280), (4170, 67132), (5164, 54210), (5421, 51640), (5560, 50349), (6455, 43368), (7228, 38730), (7746, 36140), (8340, 33566), (9035, 30984), (10328, 27105), (10842, 25820), (12910, 21684), (14456, 19365), (15492, 18070), (16680, 16783)]