220955220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2269}}^1$

素因数の和:2825

約数の個数: 72

約数和(自身を含む): 671765640

約数和(自身を除く): 450810420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 541, 1082, 1623, 2164, 2269, 2705, 3246, 4538, 4869, 5410, 6492, 6807, 8115, 9076, 9738, 10820, 11345, 13614, 16230, 19476, 20421, 22690, 24345, 27228, 32460, 34035, 40842, 45380, 48690, 68070, 81684, 97380, 102105, 136140, 204210, 408420, 1227529, 2455058, 3682587, 4910116, 6137645, 7365174, 11047761, 12275290, 14730348, 18412935, 22095522, 24550580, 36825870, 44191044, 55238805, 73651740, 110477610, 220955220]

約数ペア:

[(1, 220955220), (2, 110477610), (3, 73651740), (4, 55238805), (5, 44191044), (6, 36825870), (9, 24550580), (10, 22095522), (12, 18412935), (15, 14730348), (18, 12275290), (20, 11047761), (30, 7365174), (36, 6137645), (45, 4910116), (60, 3682587), (90, 2455058), (180, 1227529), (541, 408420), (1082, 204210), (1623, 136140), (2164, 102105), (2269, 97380), (2705, 81684), (3246, 68070), (4538, 48690), (4869, 45380), (5410, 40842), (6492, 34035), (6807, 32460), (8115, 27228), (9076, 24345), (9738, 22690), (10820, 20421), (11345, 19476), (13614, 16230)]