12939930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2357}}^1$

素因数の和:2431

約数の個数: 48

約数和(自身を含む): 34209864

約数和(自身を除く): 21269934

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2357, 2745, 4714, 5490, 7071, 11785, 14142, 21213, 23570, 35355, 42426, 70710, 106065, 143777, 212130, 287554, 431331, 718885, 862662, 1293993, 1437770, 2156655, 2587986, 4313310, 6469965, 12939930]

約数ペア:

[(1, 12939930), (2, 6469965), (3, 4313310), (5, 2587986), (6, 2156655), (9, 1437770), (10, 1293993), (15, 862662), (18, 718885), (30, 431331), (45, 287554), (61, 212130), (90, 143777), (122, 106065), (183, 70710), (305, 42426), (366, 35355), (549, 23570), (610, 21213), (915, 14142), (1098, 11785), (1830, 7071), (2357, 5490), (2745, 4714)]