1815673717420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30881}}^1\times {\mathrm{127817}}^1$

素因数の和:158730

約数の個数: 48

約数和(自身を含む): 3978853679808

約数和(自身を除く): 2163179962388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 30881, 61762, 123524, 127817, 154405, 255634, 308810, 511268, 617620, 639085, 710263, 1278170, 1420526, 2556340, 2841052, 2939791, 3551315, 5879582, 7102630, 11759164, 14205260, 14698955, 29397910, 58795820, 3947116777, 7894233554, 15788467108, 19735583885, 39471167770, 78942335540, 90783685871, 181567371742, 363134743484, 453918429355, 907836858710, 1815673717420]

約数ペア:

[(1, 1815673717420), (2, 907836858710), (4, 453918429355), (5, 363134743484), (10, 181567371742), (20, 90783685871), (23, 78942335540), (46, 39471167770), (92, 19735583885), (115, 15788467108), (230, 7894233554), (460, 3947116777), (30881, 58795820), (61762, 29397910), (123524, 14698955), (127817, 14205260), (154405, 11759164), (255634, 7102630), (308810, 5879582), (511268, 3551315), (617620, 2939791), (639085, 2841052), (710263, 2556340), (1278170, 1420526)]