87480880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 210924000

約数和(自身を除く): 123443120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 149, 164, 179, 205, 298, 328, 358, 410, 596, 656, 716, 745, 820, 895, 1192, 1432, 1490, 1640, 1790, 2384, 2864, 2980, 3280, 3580, 5960, 6109, 7160, 7339, 11920, 12218, 14320, 14678, 24436, 26671, 29356, 30545, 36695, 48872, 53342, 58712, 61090, 73390, 97744, 106684, 117424, 122180, 133355, 146780, 213368, 244360, 266710, 293560, 426736, 488720, 533420, 587120, 1066840, 1093511, 2133680, 2187022, 4374044, 5467555, 8748088, 10935110, 17496176, 21870220, 43740440, 87480880]

約数ペア:

[(1, 87480880), (2, 43740440), (4, 21870220), (5, 17496176), (8, 10935110), (10, 8748088), (16, 5467555), (20, 4374044), (40, 2187022), (41, 2133680), (80, 1093511), (82, 1066840), (149, 587120), (164, 533420), (179, 488720), (205, 426736), (298, 293560), (328, 266710), (358, 244360), (410, 213368), (596, 146780), (656, 133355), (716, 122180), (745, 117424), (820, 106684), (895, 97744), (1192, 73390), (1432, 61090), (1490, 58712), (1640, 53342), (1790, 48872), (2384, 36695), (2864, 30545), (2980, 29356), (3280, 26671), (3580, 24436), (5960, 14678), (6109, 14320), (7160, 12218), (7339, 11920)]