81620760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52321}}^1$

素因数の和:52348

約数の個数: 64

約数和(自身を含む): 263702880

約数和(自身を除く): 182082120

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, 52321, 104642, 156963, 209284, 261605, 313926, 418568, 523210, 627852, 680173, 784815, 1046420, 1255704, 1360346, 1569630, 2040519, 2092840, 2720692, 3139260, 3400865, 4081038, 5441384, 6278520, 6801730, 8162076, 10202595, 13603460, 16324152, 20405190, 27206920, 40810380, 81620760]

約数ペア:

[(1, 81620760), (2, 40810380), (3, 27206920), (4, 20405190), (5, 16324152), (6, 13603460), (8, 10202595), (10, 8162076), (12, 6801730), (13, 6278520), (15, 5441384), (20, 4081038), (24, 3400865), (26, 3139260), (30, 2720692), (39, 2092840), (40, 2040519), (52, 1569630), (60, 1360346), (65, 1255704), (78, 1046420), (104, 784815), (120, 680173), (130, 627852), (156, 523210), (195, 418568), (260, 313926), (312, 261605), (390, 209284), (520, 156963), (780, 104642), (1560, 52321)]