15206620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 37815120

約数和(自身を除く): 22608500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 409, 572, 676, 715, 818, 845, 1430, 1636, 1690, 1859, 2045, 2860, 3380, 3718, 4090, 4499, 5317, 7436, 8180, 8998, 9295, 10634, 17996, 18590, 21268, 22495, 26585, 37180, 44990, 53170, 58487, 69121, 89980, 106340, 116974, 138242, 233948, 276484, 292435, 345605, 584870, 691210, 760331, 1169740, 1382420, 1520662, 3041324, 3801655, 7603310, 15206620]

約数ペア:

[(1, 15206620), (2, 7603310), (4, 3801655), (5, 3041324), (10, 1520662), (11, 1382420), (13, 1169740), (20, 760331), (22, 691210), (26, 584870), (44, 345605), (52, 292435), (55, 276484), (65, 233948), (110, 138242), (130, 116974), (143, 106340), (169, 89980), (220, 69121), (260, 58487), (286, 53170), (338, 44990), (409, 37180), (572, 26585), (676, 22495), (715, 21268), (818, 18590), (845, 17996), (1430, 10634), (1636, 9295), (1690, 8998), (1859, 8180), (2045, 7436), (2860, 5317), (3380, 4499), (3718, 4090)]