28452240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:981

約数の個数: 120

約数和(自身を含む): 97880640

約数和(自身を除く): 69428400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 919, 1032, 1290, 1548, 1720, 1838, 1935, 2064, 2580, 2757, 3096, 3440, 3676, 3870, 4595, 5160, 5514, 6192, 7352, 7740, 8271, 9190, 10320, 11028, 13785, 14704, 15480, 16542, 18380, 22056, 27570, 30960, 33084, 36760, 39517, 41355, 44112, 55140, 66168, 73520, 79034, 82710, 110280, 118551, 132336, 158068, 165420, 197585, 220560, 237102, 316136, 330840, 355653, 395170, 474204, 592755, 632272, 661680, 711306, 790340, 948408, 1185510, 1422612, 1580680, 1778265, 1896816, 2371020, 2845224, 3161360, 3556530, 4742040, 5690448, 7113060, 9484080, 14226120, 28452240]

約数ペア:

[(1, 28452240), (2, 14226120), (3, 9484080), (4, 7113060), (5, 5690448), (6, 4742040), (8, 3556530), (9, 3161360), (10, 2845224), (12, 2371020), (15, 1896816), (16, 1778265), (18, 1580680), (20, 1422612), (24, 1185510), (30, 948408), (36, 790340), (40, 711306), (43, 661680), (45, 632272), (48, 592755), (60, 474204), (72, 395170), (80, 355653), (86, 330840), (90, 316136), (120, 237102), (129, 220560), (144, 197585), (172, 165420), (180, 158068), (215, 132336), (240, 118551), (258, 110280), (344, 82710), (360, 79034), (387, 73520), (430, 66168), (516, 55140), (645, 44112), (688, 41355), (720, 39517), (774, 36760), (860, 33084), (919, 30960), (1032, 27570), (1290, 22056), (1548, 18380), (1720, 16542), (1838, 15480), (1935, 14704), (2064, 13785), (2580, 11028), (2757, 10320), (3096, 9190), (3440, 8271), (3676, 7740), (3870, 7352), (4595, 6192), (5160, 5514)]