861123840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{224251}}^1$

素因数の和:224275

約数の個数: 72

約数和(自身を含む): 2750226528

約数和(自身を除く): 1889102688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 224251, 448502, 672753, 897004, 1121255, 1345506, 1794008, 2242510, 2691012, 3363765, 3588016, 4485020, 5382024, 6727530, 7176032, 8970040, 10764048, 13455060, 14352064, 17940080, 21528096, 26910120, 28704128, 35880160, 43056192, 53820240, 57408256, 71760320, 86112384, 107640480, 143520640, 172224768, 215280960, 287041280, 430561920, 861123840]

約数ペア:

[(1, 861123840), (2, 430561920), (3, 287041280), (4, 215280960), (5, 172224768), (6, 143520640), (8, 107640480), (10, 86112384), (12, 71760320), (15, 57408256), (16, 53820240), (20, 43056192), (24, 35880160), (30, 28704128), (32, 26910120), (40, 21528096), (48, 17940080), (60, 14352064), (64, 13455060), (80, 10764048), (96, 8970040), (120, 7176032), (128, 6727530), (160, 5382024), (192, 4485020), (240, 3588016), (256, 3363765), (320, 2691012), (384, 2242510), (480, 1794008), (640, 1345506), (768, 1121255), (960, 897004), (1280, 672753), (1920, 448502), (3840, 224251)]