269965620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2269}}^1$

素因数の和:2945

約数の個数: 72

約数和(自身を含む): 820496040

約数和(自身を除く): 550530420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 661, 1322, 1983, 2269, 2644, 3305, 3966, 4538, 5949, 6610, 6807, 7932, 9076, 9915, 11345, 11898, 13220, 13614, 19830, 20421, 22690, 23796, 27228, 29745, 34035, 39660, 40842, 45380, 59490, 68070, 81684, 102105, 118980, 136140, 204210, 408420, 1499809, 2999618, 4499427, 5999236, 7499045, 8998854, 13498281, 14998090, 17997708, 22497135, 26996562, 29996180, 44994270, 53993124, 67491405, 89988540, 134982810, 269965620]

約数ペア:

[(1, 269965620), (2, 134982810), (3, 89988540), (4, 67491405), (5, 53993124), (6, 44994270), (9, 29996180), (10, 26996562), (12, 22497135), (15, 17997708), (18, 14998090), (20, 13498281), (30, 8998854), (36, 7499045), (45, 5999236), (60, 4499427), (90, 2999618), (180, 1499809), (661, 408420), (1322, 204210), (1983, 136140), (2269, 118980), (2644, 102105), (3305, 81684), (3966, 68070), (4538, 59490), (5949, 45380), (6610, 40842), (6807, 39660), (7932, 34035), (9076, 29745), (9915, 27228), (11345, 23796), (11898, 22690), (13220, 20421), (13614, 19830)]