128951160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 420456960

約数和(自身を除く): 291505800

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, 131, 156, 195, 260, 262, 312, 390, 393, 520, 524, 631, 655, 780, 786, 1048, 1262, 1310, 1560, 1572, 1703, 1893, 1965, 2524, 2620, 3144, 3155, 3406, 3786, 3930, 5048, 5109, 5240, 6310, 6812, 7572, 7860, 8203, 8515, 9465, 10218, 12620, 13624, 15144, 15720, 16406, 17030, 18930, 20436, 24609, 25240, 25545, 32812, 34060, 37860, 40872, 41015, 49218, 51090, 65624, 68120, 75720, 82030, 82661, 98436, 102180, 123045, 164060, 165322, 196872, 204360, 246090, 247983, 328120, 330644, 413305, 492180, 495966, 661288, 826610, 984360, 991932, 1074593, 1239915, 1653220, 1983864, 2149186, 2479830, 3223779, 3306440, 4298372, 4959660, 5372965, 6447558, 8596744, 9919320, 10745930, 12895116, 16118895, 21491860, 25790232, 32237790, 42983720, 64475580, 128951160]

約数ペア:

[(1, 128951160), (2, 64475580), (3, 42983720), (4, 32237790), (5, 25790232), (6, 21491860), (8, 16118895), (10, 12895116), (12, 10745930), (13, 9919320), (15, 8596744), (20, 6447558), (24, 5372965), (26, 4959660), (30, 4298372), (39, 3306440), (40, 3223779), (52, 2479830), (60, 2149186), (65, 1983864), (78, 1653220), (104, 1239915), (120, 1074593), (130, 991932), (131, 984360), (156, 826610), (195, 661288), (260, 495966), (262, 492180), (312, 413305), (390, 330644), (393, 328120), (520, 247983), (524, 246090), (631, 204360), (655, 196872), (780, 165322), (786, 164060), (1048, 123045), (1262, 102180), (1310, 98436), (1560, 82661), (1572, 82030), (1703, 75720), (1893, 68120), (1965, 65624), (2524, 51090), (2620, 49218), (3144, 41015), (3155, 40872), (3406, 37860), (3786, 34060), (3930, 32812), (5048, 25545), (5109, 25240), (5240, 24609), (6310, 20436), (6812, 18930), (7572, 17030), (7860, 16406), (8203, 15720), (8515, 15144), (9465, 13624), (10218, 12620)]