8764020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 26830440

約数和(自身を除く): 18066420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 269, 362, 538, 543, 724, 807, 905, 1076, 1086, 1345, 1614, 1629, 1810, 2172, 2421, 2690, 2715, 3228, 3258, 3620, 4035, 4842, 5380, 5430, 6516, 8070, 8145, 9684, 10860, 12105, 16140, 16290, 24210, 32580, 48420, 48689, 97378, 146067, 194756, 243445, 292134, 438201, 486890, 584268, 730335, 876402, 973780, 1460670, 1752804, 2191005, 2921340, 4382010, 8764020]

約数ペア:

[(1, 8764020), (2, 4382010), (3, 2921340), (4, 2191005), (5, 1752804), (6, 1460670), (9, 973780), (10, 876402), (12, 730335), (15, 584268), (18, 486890), (20, 438201), (30, 292134), (36, 243445), (45, 194756), (60, 146067), (90, 97378), (180, 48689), (181, 48420), (269, 32580), (362, 24210), (538, 16290), (543, 16140), (724, 12105), (807, 10860), (905, 9684), (1076, 8145), (1086, 8070), (1345, 6516), (1614, 5430), (1629, 5380), (1810, 4842), (2172, 4035), (2421, 3620), (2690, 3258), (2715, 3228)]