128795220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2969}}^1$

素因数の和:3225

約数の個数: 72

約数和(自身を含む): 392432040

約数和(自身を除く): 263636820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 2169, 2410, 2892, 2969, 3615, 4338, 4820, 5938, 7230, 8676, 8907, 10845, 11876, 14460, 14845, 17814, 21690, 26721, 29690, 35628, 43380, 44535, 53442, 59380, 89070, 106884, 133605, 178140, 267210, 534420, 715529, 1431058, 2146587, 2862116, 3577645, 4293174, 6439761, 7155290, 8586348, 10732935, 12879522, 14310580, 21465870, 25759044, 32198805, 42931740, 64397610, 128795220]

約数ペア:

[(1, 128795220), (2, 64397610), (3, 42931740), (4, 32198805), (5, 25759044), (6, 21465870), (9, 14310580), (10, 12879522), (12, 10732935), (15, 8586348), (18, 7155290), (20, 6439761), (30, 4293174), (36, 3577645), (45, 2862116), (60, 2146587), (90, 1431058), (180, 715529), (241, 534420), (482, 267210), (723, 178140), (964, 133605), (1205, 106884), (1446, 89070), (2169, 59380), (2410, 53442), (2892, 44535), (2969, 43380), (3615, 35628), (4338, 29690), (4820, 26721), (5938, 21690), (7230, 17814), (8676, 14845), (8907, 14460), (10845, 11876)]