15940430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 18273970

約数列:

[1, 2, 5, 10, 11, 19, 22, 29, 38, 55, 58, 95, 110, 145, 190, 209, 263, 290, 319, 418, 526, 551, 638, 1045, 1102, 1315, 1595, 2090, 2630, 2755, 2893, 3190, 4997, 5510, 5786, 6061, 7627, 9994, 12122, 14465, 15254, 24985, 28930, 30305, 38135, 49970, 54967, 60610, 76270, 83897, 109934, 144913, 167794, 274835, 289826, 419485, 549670, 724565, 838970, 1449130, 1594043, 3188086, 7970215, 15940430]

約数ペア:

[(1, 15940430), (2, 7970215), (5, 3188086), (10, 1594043), (11, 1449130), (19, 838970), (22, 724565), (29, 549670), (38, 419485), (55, 289826), (58, 274835), (95, 167794), (110, 144913), (145, 109934), (190, 83897), (209, 76270), (263, 60610), (290, 54967), (319, 49970), (418, 38135), (526, 30305), (551, 28930), (638, 24985), (1045, 15254), (1102, 14465), (1315, 12122), (1595, 9994), (2090, 7627), (2630, 6061), (2755, 5786), (2893, 5510), (3190, 4997)]