1987297920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{345017}}^1$

素因数の和:345042

約数の個数: 96

約数和(自身を含む): 6862408020

約数和(自身を除く): 4875110100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 345017, 690034, 1035051, 1380068, 1725085, 2070102, 2760136, 3105153, 3450170, 4140204, 5175255, 5520272, 6210306, 6900340, 8280408, 10350510, 11040544, 12420612, 13800680, 15525765, 16560816, 20701020, 22081088, 24841224, 27601360, 31051530, 33121632, 41402040, 44162176, 49682448, 55202720, 62103060, 66243264, 82804080, 99364896, 110405440, 124206120, 132486528, 165608160, 198729792, 220810880, 248412240, 331216320, 397459584, 496824480, 662432640, 993648960, 1987297920]

約数ペア:

[(1, 1987297920), (2, 993648960), (3, 662432640), (4, 496824480), (5, 397459584), (6, 331216320), (8, 248412240), (9, 220810880), (10, 198729792), (12, 165608160), (15, 132486528), (16, 124206120), (18, 110405440), (20, 99364896), (24, 82804080), (30, 66243264), (32, 62103060), (36, 55202720), (40, 49682448), (45, 44162176), (48, 41402040), (60, 33121632), (64, 31051530), (72, 27601360), (80, 24841224), (90, 22081088), (96, 20701020), (120, 16560816), (128, 15525765), (144, 13800680), (160, 12420612), (180, 11040544), (192, 10350510), (240, 8280408), (288, 6900340), (320, 6210306), (360, 5520272), (384, 5175255), (480, 4140204), (576, 3450170), (640, 3105153), (720, 2760136), (960, 2070102), (1152, 1725085), (1440, 1380068), (1920, 1035051), (2880, 690034), (5760, 345017)]