2161312080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{243391}}^1$

素因数の和:243444

約数の個数: 80

約数和(自身を含む): 6881178624

約数和(自身を除く): 4719866544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 243391, 486782, 730173, 973564, 1216955, 1460346, 1947128, 2433910, 2920692, 3650865, 3894256, 4867820, 5841384, 7301730, 9005467, 9735640, 11682768, 14603460, 18010934, 19471280, 27016401, 29206920, 36021868, 45027335, 54032802, 58413840, 72043736, 90054670, 108065604, 135082005, 144087472, 180109340, 216131208, 270164010, 360218680, 432262416, 540328020, 720437360, 1080656040, 2161312080]

約数ペア:

[(1, 2161312080), (2, 1080656040), (3, 720437360), (4, 540328020), (5, 432262416), (6, 360218680), (8, 270164010), (10, 216131208), (12, 180109340), (15, 144087472), (16, 135082005), (20, 108065604), (24, 90054670), (30, 72043736), (37, 58413840), (40, 54032802), (48, 45027335), (60, 36021868), (74, 29206920), (80, 27016401), (111, 19471280), (120, 18010934), (148, 14603460), (185, 11682768), (222, 9735640), (240, 9005467), (296, 7301730), (370, 5841384), (444, 4867820), (555, 3894256), (592, 3650865), (740, 2920692), (888, 2433910), (1110, 1947128), (1480, 1460346), (1776, 1216955), (2220, 973564), (2960, 730173), (4440, 486782), (8880, 243391)]