8918520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5717}}^1$

素因数の和:5744

約数の個数: 64

約数和(自身を含む): 28818720

約数和(自身を除く): 19900200

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, 5717, 11434, 17151, 22868, 28585, 34302, 45736, 57170, 68604, 74321, 85755, 114340, 137208, 148642, 171510, 222963, 228680, 297284, 343020, 371605, 445926, 594568, 686040, 743210, 891852, 1114815, 1486420, 1783704, 2229630, 2972840, 4459260, 8918520]

約数ペア:

[(1, 8918520), (2, 4459260), (3, 2972840), (4, 2229630), (5, 1783704), (6, 1486420), (8, 1114815), (10, 891852), (12, 743210), (13, 686040), (15, 594568), (20, 445926), (24, 371605), (26, 343020), (30, 297284), (39, 228680), (40, 222963), (52, 171510), (60, 148642), (65, 137208), (78, 114340), (104, 85755), (120, 74321), (130, 68604), (156, 57170), (195, 45736), (260, 34302), (312, 28585), (390, 22868), (520, 17151), (780, 11434), (1560, 5717)]