31645680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11987}}^1$

素因数の和:12014

約数の個数: 80

約数和(自身を含む): 107028864

約数和(自身を除く): 75383184

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, 11987, 23974, 35961, 47948, 59935, 71922, 95896, 119870, 131857, 143844, 179805, 191792, 239740, 263714, 287688, 359610, 395571, 479480, 527428, 575376, 659285, 719220, 791142, 958960, 1054856, 1318570, 1438440, 1582284, 1977855, 2109712, 2637140, 2876880, 3164568, 3955710, 5274280, 6329136, 7911420, 10548560, 15822840, 31645680]

約数ペア:

[(1, 31645680), (2, 15822840), (3, 10548560), (4, 7911420), (5, 6329136), (6, 5274280), (8, 3955710), (10, 3164568), (11, 2876880), (12, 2637140), (15, 2109712), (16, 1977855), (20, 1582284), (22, 1438440), (24, 1318570), (30, 1054856), (33, 958960), (40, 791142), (44, 719220), (48, 659285), (55, 575376), (60, 527428), (66, 479480), (80, 395571), (88, 359610), (110, 287688), (120, 263714), (132, 239740), (165, 191792), (176, 179805), (220, 143844), (240, 131857), (264, 119870), (330, 95896), (440, 71922), (528, 59935), (660, 47948), (880, 35961), (1320, 23974), (2640, 11987)]