660549760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79393}}^1$

素因数の和:79425

約数の個数: 64

約数和(自身を含む): 1700619480

約数和(自身を除く): 1040069720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 79393, 158786, 317572, 396965, 635144, 793930, 1032109, 1270288, 1587860, 2064218, 2540576, 3175720, 4128436, 5081152, 5160545, 6351440, 8256872, 10162304, 10321090, 12702880, 16513744, 20642180, 25405760, 33027488, 41284360, 50811520, 66054976, 82568720, 132109952, 165137440, 330274880, 660549760]

約数ペア:

[(1, 660549760), (2, 330274880), (4, 165137440), (5, 132109952), (8, 82568720), (10, 66054976), (13, 50811520), (16, 41284360), (20, 33027488), (26, 25405760), (32, 20642180), (40, 16513744), (52, 12702880), (64, 10321090), (65, 10162304), (80, 8256872), (104, 6351440), (128, 5160545), (130, 5081152), (160, 4128436), (208, 3175720), (260, 2540576), (320, 2064218), (416, 1587860), (520, 1270288), (640, 1032109), (832, 793930), (1040, 635144), (1664, 396965), (2080, 317572), (4160, 158786), (8320, 79393)]