218039120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6763}}^1$

素因数の和:6820

約数の個数: 80

約数和(自身を含む): 563630592

約数和(自身を除く): 345591472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 6763, 8060, 13526, 16120, 27052, 32240, 33815, 54104, 67630, 87919, 108208, 135260, 175838, 209653, 270520, 351676, 419306, 439595, 541040, 703352, 838612, 879190, 1048265, 1406704, 1677224, 1758380, 2096530, 2725489, 3354448, 3516760, 4193060, 5450978, 7033520, 8386120, 10901956, 13627445, 16772240, 21803912, 27254890, 43607824, 54509780, 109019560, 218039120]

約数ペア:

[(1, 218039120), (2, 109019560), (4, 54509780), (5, 43607824), (8, 27254890), (10, 21803912), (13, 16772240), (16, 13627445), (20, 10901956), (26, 8386120), (31, 7033520), (40, 5450978), (52, 4193060), (62, 3516760), (65, 3354448), (80, 2725489), (104, 2096530), (124, 1758380), (130, 1677224), (155, 1406704), (208, 1048265), (248, 879190), (260, 838612), (310, 703352), (403, 541040), (496, 439595), (520, 419306), (620, 351676), (806, 270520), (1040, 209653), (1240, 175838), (1612, 135260), (2015, 108208), (2480, 87919), (3224, 67630), (4030, 54104), (6448, 33815), (6763, 32240), (8060, 27052), (13526, 16120)]