518455860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{664687}}^1$

素因数の和:664712

約数の個数: 48

約数和(自身を含む): 1563346176

約数和(自身を除く): 1044890316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 664687, 1329374, 1994061, 2658748, 3323435, 3988122, 6646870, 7976244, 8640931, 9970305, 13293740, 17281862, 19940610, 25922793, 34563724, 39881220, 43204655, 51845586, 86409310, 103691172, 129613965, 172818620, 259227930, 518455860]

約数ペア:

[(1, 518455860), (2, 259227930), (3, 172818620), (4, 129613965), (5, 103691172), (6, 86409310), (10, 51845586), (12, 43204655), (13, 39881220), (15, 34563724), (20, 25922793), (26, 19940610), (30, 17281862), (39, 13293740), (52, 9970305), (60, 8640931), (65, 7976244), (78, 6646870), (130, 3988122), (156, 3323435), (195, 2658748), (260, 1994061), (390, 1329374), (780, 664687)]