631505960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{2029}}^1$

素因数の和:2322

約数の個数: 64

約数和(自身を含む): 1473292800

約数和(自身を除く): 841786840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 251, 310, 502, 620, 1004, 1240, 1255, 2008, 2029, 2510, 4058, 5020, 7781, 8116, 10040, 10145, 15562, 16232, 20290, 31124, 38905, 40580, 62248, 62899, 77810, 81160, 125798, 155620, 251596, 311240, 314495, 503192, 509279, 628990, 1018558, 1257980, 2037116, 2515960, 2546395, 4074232, 5092790, 10185580, 15787649, 20371160, 31575298, 63150596, 78938245, 126301192, 157876490, 315752980, 631505960]

約数ペア:

[(1, 631505960), (2, 315752980), (4, 157876490), (5, 126301192), (8, 78938245), (10, 63150596), (20, 31575298), (31, 20371160), (40, 15787649), (62, 10185580), (124, 5092790), (155, 4074232), (248, 2546395), (251, 2515960), (310, 2037116), (502, 1257980), (620, 1018558), (1004, 628990), (1240, 509279), (1255, 503192), (2008, 314495), (2029, 311240), (2510, 251596), (4058, 155620), (5020, 125798), (7781, 81160), (8116, 77810), (10040, 62899), (10145, 62248), (15562, 40580), (16232, 38905), (20290, 31124)]