128530720

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7109}}^1$

素因数の和:7237

約数の個数: 48

約数和(自身を含む): 306384120

約数和(自身を除く): 177853400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 7109, 9040, 14218, 18080, 28436, 35545, 56872, 71090, 113744, 142180, 227488, 284360, 568720, 803317, 1137440, 1606634, 3213268, 4016585, 6426536, 8033170, 12853072, 16066340, 25706144, 32132680, 64265360, 128530720]

約数ペア:

[(1, 128530720), (2, 64265360), (4, 32132680), (5, 25706144), (8, 16066340), (10, 12853072), (16, 8033170), (20, 6426536), (32, 4016585), (40, 3213268), (80, 1606634), (113, 1137440), (160, 803317), (226, 568720), (452, 284360), (565, 227488), (904, 142180), (1130, 113744), (1808, 71090), (2260, 56872), (3616, 35545), (4520, 28436), (7109, 18080), (9040, 14218)]