173867720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1399}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 423360000

約数和(自身を除く): 249492280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 239, 260, 478, 520, 956, 1195, 1399, 1912, 2390, 2798, 3107, 4780, 5596, 6214, 6995, 9560, 11192, 12428, 13990, 15535, 18187, 24856, 27980, 31070, 36374, 55960, 62140, 72748, 90935, 124280, 145496, 181870, 334361, 363740, 668722, 727480, 1337444, 1671805, 2674888, 3343610, 4346693, 6687220, 8693386, 13374440, 17386772, 21733465, 34773544, 43466930, 86933860, 173867720]

約数ペア:

[(1, 173867720), (2, 86933860), (4, 43466930), (5, 34773544), (8, 21733465), (10, 17386772), (13, 13374440), (20, 8693386), (26, 6687220), (40, 4346693), (52, 3343610), (65, 2674888), (104, 1671805), (130, 1337444), (239, 727480), (260, 668722), (478, 363740), (520, 334361), (956, 181870), (1195, 145496), (1399, 124280), (1912, 90935), (2390, 72748), (2798, 62140), (3107, 55960), (4780, 36374), (5596, 31070), (6214, 27980), (6995, 24856), (9560, 18187), (11192, 15535), (12428, 13990)]