72207680

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 112

約数和(自身を含む): 184343040

約数和(自身を除く): 112135360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 145, 155, 160, 232, 248, 251, 290, 310, 320, 464, 496, 502, 580, 620, 899, 928, 992, 1004, 1160, 1240, 1255, 1798, 1856, 1984, 2008, 2320, 2480, 2510, 3596, 4016, 4495, 4640, 4960, 5020, 7192, 7279, 7781, 8032, 8990, 9280, 9920, 10040, 14384, 14558, 15562, 16064, 17980, 20080, 28768, 29116, 31124, 35960, 36395, 38905, 40160, 57536, 58232, 62248, 71920, 72790, 77810, 80320, 116464, 124496, 143840, 145580, 155620, 225649, 232928, 248992, 287680, 291160, 311240, 451298, 465856, 497984, 582320, 622480, 902596, 1128245, 1164640, 1244960, 1805192, 2256490, 2329280, 2489920, 3610384, 4512980, 7220768, 9025960, 14441536, 18051920, 36103840, 72207680]

約数ペア:

[(1, 72207680), (2, 36103840), (4, 18051920), (5, 14441536), (8, 9025960), (10, 7220768), (16, 4512980), (20, 3610384), (29, 2489920), (31, 2329280), (32, 2256490), (40, 1805192), (58, 1244960), (62, 1164640), (64, 1128245), (80, 902596), (116, 622480), (124, 582320), (145, 497984), (155, 465856), (160, 451298), (232, 311240), (248, 291160), (251, 287680), (290, 248992), (310, 232928), (320, 225649), (464, 155620), (496, 145580), (502, 143840), (580, 124496), (620, 116464), (899, 80320), (928, 77810), (992, 72790), (1004, 71920), (1160, 62248), (1240, 58232), (1255, 57536), (1798, 40160), (1856, 38905), (1984, 36395), (2008, 35960), (2320, 31124), (2480, 29116), (2510, 28768), (3596, 20080), (4016, 17980), (4495, 16064), (4640, 15562), (4960, 14558), (5020, 14384), (7192, 10040), (7279, 9920), (7781, 9280), (8032, 8990)]