21877680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8287}}^1$

素因数の和:8314

約数の個数: 80

約数和(自身を含む): 73995264

約数和(自身を除く): 52117584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8287, 16574, 24861, 33148, 41435, 49722, 66296, 82870, 91157, 99444, 124305, 132592, 165740, 182314, 198888, 248610, 273471, 331480, 364628, 397776, 455785, 497220, 546942, 662960, 729256, 911570, 994440, 1093884, 1367355, 1458512, 1823140, 1988880, 2187768, 2734710, 3646280, 4375536, 5469420, 7292560, 10938840, 21877680]

約数ペア:

[(1, 21877680), (2, 10938840), (3, 7292560), (4, 5469420), (5, 4375536), (6, 3646280), (8, 2734710), (10, 2187768), (11, 1988880), (12, 1823140), (15, 1458512), (16, 1367355), (20, 1093884), (22, 994440), (24, 911570), (30, 729256), (33, 662960), (40, 546942), (44, 497220), (48, 455785), (55, 397776), (60, 364628), (66, 331480), (80, 273471), (88, 248610), (110, 198888), (120, 182314), (132, 165740), (165, 132592), (176, 124305), (220, 99444), (240, 91157), (264, 82870), (330, 66296), (440, 49722), (528, 41435), (660, 33148), (880, 24861), (1320, 16574), (2640, 8287)]