159416920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1091}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 388009440

約数和(自身を除く): 228592520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 281, 520, 562, 1091, 1124, 1405, 2182, 2248, 2810, 3653, 4364, 5455, 5620, 7306, 8728, 10910, 11240, 14183, 14612, 18265, 21820, 28366, 29224, 36530, 43640, 56732, 70915, 73060, 113464, 141830, 146120, 283660, 306571, 567320, 613142, 1226284, 1532855, 2452568, 3065710, 3985423, 6131420, 7970846, 12262840, 15941692, 19927115, 31883384, 39854230, 79708460, 159416920]

約数ペア:

[(1, 159416920), (2, 79708460), (4, 39854230), (5, 31883384), (8, 19927115), (10, 15941692), (13, 12262840), (20, 7970846), (26, 6131420), (40, 3985423), (52, 3065710), (65, 2452568), (104, 1532855), (130, 1226284), (260, 613142), (281, 567320), (520, 306571), (562, 283660), (1091, 146120), (1124, 141830), (1405, 113464), (2182, 73060), (2248, 70915), (2810, 56732), (3653, 43640), (4364, 36530), (5455, 29224), (5620, 28366), (7306, 21820), (8728, 18265), (10910, 14612), (11240, 14183)]