123513520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1051}}^1$

素因数の和:1190

約数の個数: 80

約数和(自身を含む): 312292512

約数和(自身を除く): 188778992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 113, 130, 208, 226, 260, 452, 520, 565, 904, 1040, 1051, 1130, 1469, 1808, 2102, 2260, 2938, 4204, 4520, 5255, 5876, 7345, 8408, 9040, 10510, 11752, 13663, 14690, 16816, 21020, 23504, 27326, 29380, 42040, 54652, 58760, 68315, 84080, 109304, 117520, 118763, 136630, 218608, 237526, 273260, 475052, 546520, 593815, 950104, 1093040, 1187630, 1543919, 1900208, 2375260, 3087838, 4750520, 6175676, 7719595, 9501040, 12351352, 15439190, 24702704, 30878380, 61756760, 123513520]

約数ペア:

[(1, 123513520), (2, 61756760), (4, 30878380), (5, 24702704), (8, 15439190), (10, 12351352), (13, 9501040), (16, 7719595), (20, 6175676), (26, 4750520), (40, 3087838), (52, 2375260), (65, 1900208), (80, 1543919), (104, 1187630), (113, 1093040), (130, 950104), (208, 593815), (226, 546520), (260, 475052), (452, 273260), (520, 237526), (565, 218608), (904, 136630), (1040, 118763), (1051, 117520), (1130, 109304), (1469, 84080), (1808, 68315), (2102, 58760), (2260, 54652), (2938, 42040), (4204, 29380), (4520, 27326), (5255, 23504), (5876, 21020), (7345, 16816), (8408, 14690), (9040, 13663), (10510, 11752)]