15652780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 38921904

約数和(自身を除く): 23269124

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, 421, 572, 676, 715, 842, 845, 1430, 1684, 1690, 1859, 2105, 2860, 3380, 3718, 4210, 4631, 5473, 7436, 8420, 9262, 9295, 10946, 18524, 18590, 21892, 23155, 27365, 37180, 46310, 54730, 60203, 71149, 92620, 109460, 120406, 142298, 240812, 284596, 301015, 355745, 602030, 711490, 782639, 1204060, 1422980, 1565278, 3130556, 3913195, 7826390, 15652780]

約数ペア:

[(1, 15652780), (2, 7826390), (4, 3913195), (5, 3130556), (10, 1565278), (11, 1422980), (13, 1204060), (20, 782639), (22, 711490), (26, 602030), (44, 355745), (52, 301015), (55, 284596), (65, 240812), (110, 142298), (130, 120406), (143, 109460), (169, 92620), (220, 71149), (260, 60203), (286, 54730), (338, 46310), (421, 37180), (572, 27365), (676, 23155), (715, 21892), (842, 18590), (845, 18524), (1430, 10946), (1684, 9295), (1690, 9262), (1859, 8420), (2105, 7436), (2860, 5473), (3380, 4631), (3718, 4210)]