671857620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{228523}}^1$

素因数の和:228549

約数の個数: 72

約数和(自身を含む): 2188345824

約数和(自身を除く): 1516488204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 228523, 457046, 685569, 914092, 1142615, 1371138, 1599661, 2285230, 2742276, 3199322, 3427845, 4570460, 4798983, 6398644, 6855690, 7998305, 9597966, 11197627, 13711380, 15996610, 19195932, 22395254, 23994915, 31993220, 33592881, 44790508, 47989830, 55988135, 67185762, 95979660, 111976270, 134371524, 167964405, 223952540, 335928810, 671857620]

約数ペア:

[(1, 671857620), (2, 335928810), (3, 223952540), (4, 167964405), (5, 134371524), (6, 111976270), (7, 95979660), (10, 67185762), (12, 55988135), (14, 47989830), (15, 44790508), (20, 33592881), (21, 31993220), (28, 23994915), (30, 22395254), (35, 19195932), (42, 15996610), (49, 13711380), (60, 11197627), (70, 9597966), (84, 7998305), (98, 6855690), (105, 6398644), (140, 4798983), (147, 4570460), (196, 3427845), (210, 3199322), (245, 2742276), (294, 2285230), (420, 1599661), (490, 1371138), (588, 1142615), (735, 914092), (980, 685569), (1470, 457046), (2940, 228523)]