64486920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2141}}^1$

素因数の和:2406

約数の個数: 64

約数和(自身を含む): 194322240

約数和(自身を除く): 129835320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2141, 2510, 3012, 3765, 4282, 5020, 6024, 6423, 7530, 8564, 10040, 10705, 12846, 15060, 17128, 21410, 25692, 30120, 32115, 42820, 51384, 64230, 85640, 128460, 256920, 537391, 1074782, 1612173, 2149564, 2686955, 3224346, 4299128, 5373910, 6448692, 8060865, 10747820, 12897384, 16121730, 21495640, 32243460, 64486920]

約数ペア:

[(1, 64486920), (2, 32243460), (3, 21495640), (4, 16121730), (5, 12897384), (6, 10747820), (8, 8060865), (10, 6448692), (12, 5373910), (15, 4299128), (20, 3224346), (24, 2686955), (30, 2149564), (40, 1612173), (60, 1074782), (120, 537391), (251, 256920), (502, 128460), (753, 85640), (1004, 64230), (1255, 51384), (1506, 42820), (2008, 32115), (2141, 30120), (2510, 25692), (3012, 21410), (3765, 17128), (4282, 15060), (5020, 12846), (6024, 10705), (6423, 10040), (7530, 8564)]