15718040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 38525760

約数和(自身を除く): 22807720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 181, 260, 334, 362, 520, 668, 724, 835, 905, 1336, 1448, 1670, 1810, 2171, 2353, 3340, 3620, 4342, 4706, 6680, 7240, 8684, 9412, 10855, 11765, 17368, 18824, 21710, 23530, 30227, 43420, 47060, 60454, 86840, 94120, 120908, 151135, 241816, 302270, 392951, 604540, 785902, 1209080, 1571804, 1964755, 3143608, 3929510, 7859020, 15718040]

約数ペア:

[(1, 15718040), (2, 7859020), (4, 3929510), (5, 3143608), (8, 1964755), (10, 1571804), (13, 1209080), (20, 785902), (26, 604540), (40, 392951), (52, 302270), (65, 241816), (104, 151135), (130, 120908), (167, 94120), (181, 86840), (260, 60454), (334, 47060), (362, 43420), (520, 30227), (668, 23530), (724, 21710), (835, 18824), (905, 17368), (1336, 11765), (1448, 10855), (1670, 9412), (1810, 8684), (2171, 7240), (2353, 6680), (3340, 4706), (3620, 4342)]