15659540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 36800568

約数和(自身を除く): 21141028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 113, 130, 164, 169, 205, 226, 260, 338, 410, 452, 533, 565, 676, 820, 845, 1066, 1130, 1469, 1690, 2132, 2260, 2665, 2938, 3380, 4633, 5330, 5876, 6929, 7345, 9266, 10660, 13858, 14690, 18532, 19097, 23165, 27716, 29380, 34645, 38194, 46330, 60229, 69290, 76388, 92660, 95485, 120458, 138580, 190970, 240916, 301145, 381940, 602290, 782977, 1204580, 1565954, 3131908, 3914885, 7829770, 15659540]

約数ペア:

[(1, 15659540), (2, 7829770), (4, 3914885), (5, 3131908), (10, 1565954), (13, 1204580), (20, 782977), (26, 602290), (41, 381940), (52, 301145), (65, 240916), (82, 190970), (113, 138580), (130, 120458), (164, 95485), (169, 92660), (205, 76388), (226, 69290), (260, 60229), (338, 46330), (410, 38194), (452, 34645), (533, 29380), (565, 27716), (676, 23165), (820, 19097), (845, 18532), (1066, 14690), (1130, 13858), (1469, 10660), (1690, 9266), (2132, 7345), (2260, 6929), (2665, 5876), (2938, 5330), (3380, 4633)]