137987720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3359}}^1$

素因数の和:3462

約数の個数: 64

約数和(自身を含む): 338688000

約数和(自身を除く): 200700280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 3359, 4108, 5135, 6718, 8216, 10270, 13436, 16795, 20540, 26872, 33590, 41080, 43667, 67180, 87334, 134360, 174668, 218335, 265361, 349336, 436670, 530722, 873340, 1061444, 1326805, 1746680, 2122888, 2653610, 3449693, 5307220, 6899386, 10614440, 13798772, 17248465, 27597544, 34496930, 68993860, 137987720]

約数ペア:

[(1, 137987720), (2, 68993860), (4, 34496930), (5, 27597544), (8, 17248465), (10, 13798772), (13, 10614440), (20, 6899386), (26, 5307220), (40, 3449693), (52, 2653610), (65, 2122888), (79, 1746680), (104, 1326805), (130, 1061444), (158, 873340), (260, 530722), (316, 436670), (395, 349336), (520, 265361), (632, 218335), (790, 174668), (1027, 134360), (1580, 87334), (2054, 67180), (3160, 43667), (3359, 41080), (4108, 33590), (5135, 26872), (6718, 20540), (8216, 16795), (10270, 13436)]