15690561220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{74159}}^1$

素因数の和:74388

約数の個数: 48

約数和(自身を含む): 33638976000

約数和(自身を除く): 17948414780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 149, 284, 298, 355, 596, 710, 745, 1420, 1490, 2980, 10579, 21158, 42316, 52895, 74159, 105790, 148318, 211580, 296636, 370795, 741590, 1483180, 5265289, 10530578, 11049691, 21061156, 22099382, 26326445, 44198764, 52652890, 55248455, 105305780, 110496910, 220993820, 784528061, 1569056122, 3138112244, 3922640305, 7845280610, 15690561220]

約数ペア:

[(1, 15690561220), (2, 7845280610), (4, 3922640305), (5, 3138112244), (10, 1569056122), (20, 784528061), (71, 220993820), (142, 110496910), (149, 105305780), (284, 55248455), (298, 52652890), (355, 44198764), (596, 26326445), (710, 22099382), (745, 21061156), (1420, 11049691), (1490, 10530578), (2980, 5265289), (10579, 1483180), (21158, 741590), (42316, 370795), (52895, 296636), (74159, 211580), (105790, 148318)]