78447720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50287}}^1$

素因数の和:50314

約数の個数: 64

約数和(自身を含む): 253451520

約数和(自身を除く): 175003800

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, 156, 195, 260, 312, 390, 520, 780, 1560, 50287, 100574, 150861, 201148, 251435, 301722, 402296, 502870, 603444, 653731, 754305, 1005740, 1206888, 1307462, 1508610, 1961193, 2011480, 2614924, 3017220, 3268655, 3922386, 5229848, 6034440, 6537310, 7844772, 9805965, 13074620, 15689544, 19611930, 26149240, 39223860, 78447720]

約数ペア:

[(1, 78447720), (2, 39223860), (3, 26149240), (4, 19611930), (5, 15689544), (6, 13074620), (8, 9805965), (10, 7844772), (12, 6537310), (13, 6034440), (15, 5229848), (20, 3922386), (24, 3268655), (26, 3017220), (30, 2614924), (39, 2011480), (40, 1961193), (52, 1508610), (60, 1307462), (65, 1206888), (78, 1005740), (104, 754305), (120, 653731), (130, 603444), (156, 502870), (195, 402296), (260, 301722), (312, 251435), (390, 201148), (520, 150861), (780, 100574), (1560, 50287)]