901366960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21139}}^1$

素因数の和:21206

約数の個数: 80

約数和(自身を含む): 2312039520

約数和(自身を除く): 1410672560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 21139, 21320, 42278, 42640, 84556, 105695, 169112, 211390, 274807, 338224, 422780, 549614, 845560, 866699, 1099228, 1374035, 1691120, 1733398, 2198456, 2748070, 3466796, 4333495, 4396912, 5496140, 6933592, 8666990, 10992280, 11267087, 13867184, 17333980, 21984560, 22534174, 34667960, 45068348, 56335435, 69335920, 90136696, 112670870, 180273392, 225341740, 450683480, 901366960]

約数ペア:

[(1, 901366960), (2, 450683480), (4, 225341740), (5, 180273392), (8, 112670870), (10, 90136696), (13, 69335920), (16, 56335435), (20, 45068348), (26, 34667960), (40, 22534174), (41, 21984560), (52, 17333980), (65, 13867184), (80, 11267087), (82, 10992280), (104, 8666990), (130, 6933592), (164, 5496140), (205, 4396912), (208, 4333495), (260, 3466796), (328, 2748070), (410, 2198456), (520, 1733398), (533, 1691120), (656, 1374035), (820, 1099228), (1040, 866699), (1066, 845560), (1640, 549614), (2132, 422780), (2665, 338224), (3280, 274807), (4264, 211390), (5330, 169112), (8528, 105695), (10660, 84556), (21139, 42640), (21320, 42278)]