1277886060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{645397}}^1$

素因数の和:645423

約数の個数: 72

約数和(自身を含む): 4228647696

約数和(自身を除く): 2950761636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 645397, 1290794, 1936191, 2581588, 3226985, 3872382, 5808573, 6453970, 7099367, 7744764, 9680955, 11617146, 12907940, 14198734, 19361910, 21298101, 23234292, 28397468, 29042865, 35496835, 38723820, 42596202, 58085730, 63894303, 70993670, 85192404, 106490505, 116171460, 127788606, 141987340, 212981010, 255577212, 319471515, 425962020, 638943030, 1277886060]

約数ペア:

[(1, 1277886060), (2, 638943030), (3, 425962020), (4, 319471515), (5, 255577212), (6, 212981010), (9, 141987340), (10, 127788606), (11, 116171460), (12, 106490505), (15, 85192404), (18, 70993670), (20, 63894303), (22, 58085730), (30, 42596202), (33, 38723820), (36, 35496835), (44, 29042865), (45, 28397468), (55, 23234292), (60, 21298101), (66, 19361910), (90, 14198734), (99, 12907940), (110, 11617146), (132, 9680955), (165, 7744764), (180, 7099367), (198, 6453970), (220, 5808573), (330, 3872382), (396, 3226985), (495, 2581588), (660, 1936191), (990, 1290794), (1980, 645397)]