128428560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13721}}^1$

素因数の和:13753

約数の個数: 120

約数和(自身を含む): 464517144

約数和(自身を除く): 336088584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 13721, 27442, 41163, 54884, 68605, 82326, 109768, 123489, 137210, 164652, 178373, 205815, 219536, 246978, 274420, 329304, 356746, 411630, 493956, 535119, 548840, 617445, 658608, 713492, 823260, 891865, 987912, 1070238, 1097680, 1234890, 1426984, 1605357, 1646520, 1783730, 1975824, 2140476, 2469780, 2675595, 2853968, 3210714, 3293040, 3567460, 4280952, 4939560, 5351190, 6421428, 7134920, 8026785, 8561904, 9879120, 10702380, 12842856, 14269840, 16053570, 21404760, 25685712, 32107140, 42809520, 64214280, 128428560]

約数ペア:

[(1, 128428560), (2, 64214280), (3, 42809520), (4, 32107140), (5, 25685712), (6, 21404760), (8, 16053570), (9, 14269840), (10, 12842856), (12, 10702380), (13, 9879120), (15, 8561904), (16, 8026785), (18, 7134920), (20, 6421428), (24, 5351190), (26, 4939560), (30, 4280952), (36, 3567460), (39, 3293040), (40, 3210714), (45, 2853968), (48, 2675595), (52, 2469780), (60, 2140476), (65, 1975824), (72, 1783730), (78, 1646520), (80, 1605357), (90, 1426984), (104, 1234890), (117, 1097680), (120, 1070238), (130, 987912), (144, 891865), (156, 823260), (180, 713492), (195, 658608), (208, 617445), (234, 548840), (240, 535119), (260, 493956), (312, 411630), (360, 356746), (390, 329304), (468, 274420), (520, 246978), (585, 219536), (624, 205815), (720, 178373), (780, 164652), (936, 137210), (1040, 123489), (1170, 109768), (1560, 82326), (1872, 68605), (2340, 54884), (3120, 41163), (4680, 27442), (9360, 13721)]