815511160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{3989}}^1$

素因数の和:4288

約数の個数: 64

約数和(自身を含む): 1939140000

約数和(自身を除く): 1123628840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 380, 538, 760, 1076, 1345, 2152, 2690, 3989, 5111, 5380, 7978, 10222, 10760, 15956, 19945, 20444, 25555, 31912, 39890, 40888, 51110, 75791, 79780, 102220, 151582, 159560, 204440, 303164, 378955, 606328, 757910, 1073041, 1515820, 2146082, 3031640, 4292164, 5365205, 8584328, 10730410, 20387779, 21460820, 40775558, 42921640, 81551116, 101938895, 163102232, 203877790, 407755580, 815511160]

約数ペア:

[(1, 815511160), (2, 407755580), (4, 203877790), (5, 163102232), (8, 101938895), (10, 81551116), (19, 42921640), (20, 40775558), (38, 21460820), (40, 20387779), (76, 10730410), (95, 8584328), (152, 5365205), (190, 4292164), (269, 3031640), (380, 2146082), (538, 1515820), (760, 1073041), (1076, 757910), (1345, 606328), (2152, 378955), (2690, 303164), (3989, 204440), (5111, 159560), (5380, 151582), (7978, 102220), (10222, 79780), (10760, 75791), (15956, 51110), (19945, 40888), (20444, 39890), (25555, 31912)]