163948720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8297}}^1$

素因数の和:8342

約数の個数: 80

約数和(自身を含む): 432159840

約数和(自身を除く): 268211120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 8297, 9880, 16594, 19760, 33188, 41485, 66376, 82970, 107861, 132752, 157643, 165940, 215722, 315286, 331880, 431444, 539305, 630572, 663760, 788215, 862888, 1078610, 1261144, 1576430, 1725776, 2049359, 2157220, 2522288, 3152860, 4098718, 4314440, 6305720, 8197436, 8628880, 10246795, 12611440, 16394872, 20493590, 32789744, 40987180, 81974360, 163948720]

約数ペア:

[(1, 163948720), (2, 81974360), (4, 40987180), (5, 32789744), (8, 20493590), (10, 16394872), (13, 12611440), (16, 10246795), (19, 8628880), (20, 8197436), (26, 6305720), (38, 4314440), (40, 4098718), (52, 3152860), (65, 2522288), (76, 2157220), (80, 2049359), (95, 1725776), (104, 1576430), (130, 1261144), (152, 1078610), (190, 862888), (208, 788215), (247, 663760), (260, 630572), (304, 539305), (380, 431444), (494, 331880), (520, 315286), (760, 215722), (988, 165940), (1040, 157643), (1235, 132752), (1520, 107861), (1976, 82970), (2470, 66376), (3952, 41485), (4940, 33188), (8297, 19760), (9880, 16594)]