156721470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{631}}^1$

素因数の和:1145

約数の個数: 64

約数和(自身を含む): 399707136

約数和(自身を除く): 242985666

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 487, 510, 631, 974, 1262, 1461, 1893, 2435, 2922, 3155, 3786, 4870, 6310, 7305, 8279, 9465, 10727, 14610, 16558, 18930, 21454, 24837, 32181, 41395, 49674, 53635, 64362, 82790, 107270, 124185, 160905, 248370, 307297, 321810, 614594, 921891, 1536485, 1843782, 3072970, 4609455, 5224049, 9218910, 10448098, 15672147, 26120245, 31344294, 52240490, 78360735, 156721470]

約数ペア:

[(1, 156721470), (2, 78360735), (3, 52240490), (5, 31344294), (6, 26120245), (10, 15672147), (15, 10448098), (17, 9218910), (30, 5224049), (34, 4609455), (51, 3072970), (85, 1843782), (102, 1536485), (170, 921891), (255, 614594), (487, 321810), (510, 307297), (631, 248370), (974, 160905), (1262, 124185), (1461, 107270), (1893, 82790), (2435, 64362), (2922, 53635), (3155, 49674), (3786, 41395), (4870, 32181), (6310, 24837), (7305, 21454), (8279, 18930), (9465, 16558), (10727, 14610)]