408075720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261587}}^1$

素因数の和:261614

約数の個数: 64

約数和(自身を含む): 1318403520

約数和(自身を除く): 910327800

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, 261587, 523174, 784761, 1046348, 1307935, 1569522, 2092696, 2615870, 3139044, 3400631, 3923805, 5231740, 6278088, 6801262, 7847610, 10201893, 10463480, 13602524, 15695220, 17003155, 20403786, 27205048, 31390440, 34006310, 40807572, 51009465, 68012620, 81615144, 102018930, 136025240, 204037860, 408075720]

約数ペア:

[(1, 408075720), (2, 204037860), (3, 136025240), (4, 102018930), (5, 81615144), (6, 68012620), (8, 51009465), (10, 40807572), (12, 34006310), (13, 31390440), (15, 27205048), (20, 20403786), (24, 17003155), (26, 15695220), (30, 13602524), (39, 10463480), (40, 10201893), (52, 7847610), (60, 6801262), (65, 6278088), (78, 5231740), (104, 3923805), (120, 3400631), (130, 3139044), (156, 2615870), (195, 2092696), (260, 1569522), (312, 1307935), (390, 1046348), (520, 784761), (780, 523174), (1560, 261587)]