164716240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 414723456

約数和(自身を除く): 250007216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 251, 260, 502, 520, 631, 1004, 1040, 1255, 1262, 2008, 2510, 2524, 3155, 3263, 4016, 5020, 5048, 6310, 6526, 8203, 10040, 10096, 12620, 13052, 16315, 16406, 20080, 25240, 26104, 32630, 32812, 41015, 50480, 52208, 65260, 65624, 82030, 130520, 131248, 158381, 164060, 261040, 316762, 328120, 633524, 656240, 791905, 1267048, 1583810, 2058953, 2534096, 3167620, 4117906, 6335240, 8235812, 10294765, 12670480, 16471624, 20589530, 32943248, 41179060, 82358120, 164716240]

約数ペア:

[(1, 164716240), (2, 82358120), (4, 41179060), (5, 32943248), (8, 20589530), (10, 16471624), (13, 12670480), (16, 10294765), (20, 8235812), (26, 6335240), (40, 4117906), (52, 3167620), (65, 2534096), (80, 2058953), (104, 1583810), (130, 1267048), (208, 791905), (251, 656240), (260, 633524), (502, 328120), (520, 316762), (631, 261040), (1004, 164060), (1040, 158381), (1255, 131248), (1262, 130520), (2008, 82030), (2510, 65624), (2524, 65260), (3155, 52208), (3263, 50480), (4016, 41015), (5020, 32812), (5048, 32630), (6310, 26104), (6526, 25240), (8203, 20080), (10040, 16406), (10096, 16315), (12620, 13052)]