257008620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2389}}^1$

素因数の和:2575

約数の個数: 96

約数和(自身を含む): 790191360

約数和(自身を除く): 533182740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 163, 165, 220, 326, 330, 489, 652, 660, 815, 978, 1630, 1793, 1956, 2389, 2445, 3260, 3586, 4778, 4890, 5379, 7167, 7172, 8965, 9556, 9780, 10758, 11945, 14334, 17930, 21516, 23890, 26279, 26895, 28668, 35835, 35860, 47780, 52558, 53790, 71670, 78837, 105116, 107580, 131395, 143340, 157674, 262790, 315348, 389407, 394185, 525580, 778814, 788370, 1168221, 1557628, 1576740, 1947035, 2336442, 3894070, 4283477, 4672884, 5841105, 7788140, 8566954, 11682210, 12850431, 17133908, 21417385, 23364420, 25700862, 42834770, 51401724, 64252155, 85669540, 128504310, 257008620]

約数ペア:

[(1, 257008620), (2, 128504310), (3, 85669540), (4, 64252155), (5, 51401724), (6, 42834770), (10, 25700862), (11, 23364420), (12, 21417385), (15, 17133908), (20, 12850431), (22, 11682210), (30, 8566954), (33, 7788140), (44, 5841105), (55, 4672884), (60, 4283477), (66, 3894070), (110, 2336442), (132, 1947035), (163, 1576740), (165, 1557628), (220, 1168221), (326, 788370), (330, 778814), (489, 525580), (652, 394185), (660, 389407), (815, 315348), (978, 262790), (1630, 157674), (1793, 143340), (1956, 131395), (2389, 107580), (2445, 105116), (3260, 78837), (3586, 71670), (4778, 53790), (4890, 52558), (5379, 47780), (7167, 35860), (7172, 35835), (8965, 28668), (9556, 26895), (9780, 26279), (10758, 23890), (11945, 21516), (14334, 17930)]