1509781780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1\times {\mathrm{1061}}^1$

素因数の和:1517

約数の個数: 72

約数和(自身を含む): 3444588504

約数和(自身を除く): 1934806724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 421, 676, 842, 845, 1061, 1684, 1690, 2105, 2122, 3380, 4210, 4244, 5305, 5473, 8420, 10610, 10946, 13793, 21220, 21892, 27365, 27586, 54730, 55172, 68965, 71149, 109460, 137930, 142298, 179309, 275860, 284596, 355745, 358618, 446681, 711490, 717236, 893362, 896545, 1422980, 1786724, 1793090, 2233405, 3586180, 4466810, 5806853, 8933620, 11613706, 23227412, 29034265, 58068530, 75489089, 116137060, 150978178, 301956356, 377445445, 754890890, 1509781780]

約数ペア:

[(1, 1509781780), (2, 754890890), (4, 377445445), (5, 301956356), (10, 150978178), (13, 116137060), (20, 75489089), (26, 58068530), (52, 29034265), (65, 23227412), (130, 11613706), (169, 8933620), (260, 5806853), (338, 4466810), (421, 3586180), (676, 2233405), (842, 1793090), (845, 1786724), (1061, 1422980), (1684, 896545), (1690, 893362), (2105, 717236), (2122, 711490), (3380, 446681), (4210, 358618), (4244, 355745), (5305, 284596), (5473, 275860), (8420, 179309), (10610, 142298), (10946, 137930), (13793, 109460), (21220, 71149), (21892, 68965), (27365, 55172), (27586, 54730)]