288830720

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 741726720

約数和(自身を除く): 452896000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 145, 155, 160, 232, 248, 251, 256, 290, 310, 320, 464, 496, 502, 580, 620, 640, 899, 928, 992, 1004, 1160, 1240, 1255, 1280, 1798, 1856, 1984, 2008, 2320, 2480, 2510, 3596, 3712, 3968, 4016, 4495, 4640, 4960, 5020, 7192, 7279, 7424, 7781, 7936, 8032, 8990, 9280, 9920, 10040, 14384, 14558, 15562, 16064, 17980, 18560, 19840, 20080, 28768, 29116, 31124, 32128, 35960, 36395, 37120, 38905, 39680, 40160, 57536, 58232, 62248, 64256, 71920, 72790, 77810, 80320, 115072, 116464, 124496, 143840, 145580, 155620, 160640, 225649, 230144, 232928, 248992, 287680, 291160, 311240, 321280, 451298, 465856, 497984, 575360, 582320, 622480, 902596, 931712, 995968, 1128245, 1150720, 1164640, 1244960, 1805192, 1863424, 1991936, 2256490, 2329280, 2489920, 3610384, 4512980, 4658560, 4979840, 7220768, 9025960, 9317120, 9959680, 14441536, 18051920, 28883072, 36103840, 57766144, 72207680, 144415360, 288830720]

約数ペア:

[(1, 288830720), (2, 144415360), (4, 72207680), (5, 57766144), (8, 36103840), (10, 28883072), (16, 18051920), (20, 14441536), (29, 9959680), (31, 9317120), (32, 9025960), (40, 7220768), (58, 4979840), (62, 4658560), (64, 4512980), (80, 3610384), (116, 2489920), (124, 2329280), (128, 2256490), (145, 1991936), (155, 1863424), (160, 1805192), (232, 1244960), (248, 1164640), (251, 1150720), (256, 1128245), (290, 995968), (310, 931712), (320, 902596), (464, 622480), (496, 582320), (502, 575360), (580, 497984), (620, 465856), (640, 451298), (899, 321280), (928, 311240), (992, 291160), (1004, 287680), (1160, 248992), (1240, 232928), (1255, 230144), (1280, 225649), (1798, 160640), (1856, 155620), (1984, 145580), (2008, 143840), (2320, 124496), (2480, 116464), (2510, 115072), (3596, 80320), (3712, 77810), (3968, 72790), (4016, 71920), (4495, 64256), (4640, 62248), (4960, 58232), (5020, 57536), (7192, 40160), (7279, 39680), (7424, 38905), (7781, 37120), (7936, 36395), (8032, 35960), (8990, 32128), (9280, 31124), (9920, 29116), (10040, 28768), (14384, 20080), (14558, 19840), (15562, 18560), (16064, 17980)]