1289640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 4224960

約数和(自身を除く): 2935320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 977, 1320, 1954, 2931, 3908, 4885, 5862, 7816, 9770, 10747, 11724, 14655, 19540, 21494, 23448, 29310, 32241, 39080, 42988, 53735, 58620, 64482, 85976, 107470, 117240, 128964, 161205, 214940, 257928, 322410, 429880, 644820, 1289640]

約数ペア:

[(1, 1289640), (2, 644820), (3, 429880), (4, 322410), (5, 257928), (6, 214940), (8, 161205), (10, 128964), (11, 117240), (12, 107470), (15, 85976), (20, 64482), (22, 58620), (24, 53735), (30, 42988), (33, 39080), (40, 32241), (44, 29310), (55, 23448), (60, 21494), (66, 19540), (88, 14655), (110, 11724), (120, 10747), (132, 9770), (165, 7816), (220, 5862), (264, 4885), (330, 3908), (440, 2931), (660, 1954), (977, 1320)]