28808280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1921

約数の個数: 96

約数和(自身を含む): 95855760

約数和(自身を除く): 67047480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1861, 1935, 2580, 3096, 3722, 3870, 5160, 5583, 7444, 7740, 9305, 11166, 14888, 15480, 16749, 18610, 22332, 27915, 33498, 37220, 44664, 55830, 66996, 74440, 80023, 83745, 111660, 133992, 160046, 167490, 223320, 240069, 320092, 334980, 400115, 480138, 640184, 669960, 720207, 800230, 960276, 1200345, 1440414, 1600460, 1920552, 2400690, 2880828, 3200920, 3601035, 4801380, 5761656, 7202070, 9602760, 14404140, 28808280]

約数ペア:

[(1, 28808280), (2, 14404140), (3, 9602760), (4, 7202070), (5, 5761656), (6, 4801380), (8, 3601035), (9, 3200920), (10, 2880828), (12, 2400690), (15, 1920552), (18, 1600460), (20, 1440414), (24, 1200345), (30, 960276), (36, 800230), (40, 720207), (43, 669960), (45, 640184), (60, 480138), (72, 400115), (86, 334980), (90, 320092), (120, 240069), (129, 223320), (172, 167490), (180, 160046), (215, 133992), (258, 111660), (344, 83745), (360, 80023), (387, 74440), (430, 66996), (516, 55830), (645, 44664), (774, 37220), (860, 33498), (1032, 27915), (1290, 22332), (1548, 18610), (1720, 16749), (1861, 15480), (1935, 14888), (2580, 11166), (3096, 9305), (3722, 7740), (3870, 7444), (5160, 5583)]