81014520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 260029440

約数和(自身を除く): 179014920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 151, 170, 204, 255, 263, 302, 340, 408, 453, 510, 526, 604, 680, 755, 789, 906, 1020, 1052, 1208, 1315, 1510, 1578, 1812, 2040, 2104, 2265, 2567, 2630, 3020, 3156, 3624, 3945, 4471, 4530, 5134, 5260, 6040, 6312, 7701, 7890, 8942, 9060, 10268, 10520, 12835, 13413, 15402, 15780, 17884, 18120, 20536, 22355, 25670, 26826, 30804, 31560, 35768, 38505, 39713, 44710, 51340, 53652, 61608, 67065, 77010, 79426, 89420, 102680, 107304, 119139, 134130, 154020, 158852, 178840, 198565, 238278, 268260, 308040, 317704, 397130, 476556, 536520, 595695, 675121, 794260, 953112, 1191390, 1350242, 1588520, 2025363, 2382780, 2700484, 3375605, 4050726, 4765560, 5400968, 6751210, 8101452, 10126815, 13502420, 16202904, 20253630, 27004840, 40507260, 81014520]

約数ペア:

[(1, 81014520), (2, 40507260), (3, 27004840), (4, 20253630), (5, 16202904), (6, 13502420), (8, 10126815), (10, 8101452), (12, 6751210), (15, 5400968), (17, 4765560), (20, 4050726), (24, 3375605), (30, 2700484), (34, 2382780), (40, 2025363), (51, 1588520), (60, 1350242), (68, 1191390), (85, 953112), (102, 794260), (120, 675121), (136, 595695), (151, 536520), (170, 476556), (204, 397130), (255, 317704), (263, 308040), (302, 268260), (340, 238278), (408, 198565), (453, 178840), (510, 158852), (526, 154020), (604, 134130), (680, 119139), (755, 107304), (789, 102680), (906, 89420), (1020, 79426), (1052, 77010), (1208, 67065), (1315, 61608), (1510, 53652), (1578, 51340), (1812, 44710), (2040, 39713), (2104, 38505), (2265, 35768), (2567, 31560), (2630, 30804), (3020, 26826), (3156, 25670), (3624, 22355), (3945, 20536), (4471, 18120), (4530, 17884), (5134, 15780), (5260, 15402), (6040, 13413), (6312, 12835), (7701, 10520), (7890, 10268), (8942, 9060)]