161220930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31799}}^1$

素因数の和:31835

約数の個数: 48

約数和(自身を含む): 418996800

約数和(自身を除く): 257775870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 5070, 31799, 63598, 95397, 158995, 190794, 317990, 413387, 476985, 826774, 953970, 1240161, 2066935, 2480322, 4133870, 5374031, 6200805, 10748062, 12401610, 16122093, 26870155, 32244186, 53740310, 80610465, 161220930]

約数ペア:

[(1, 161220930), (2, 80610465), (3, 53740310), (5, 32244186), (6, 26870155), (10, 16122093), (13, 12401610), (15, 10748062), (26, 6200805), (30, 5374031), (39, 4133870), (65, 2480322), (78, 2066935), (130, 1240161), (169, 953970), (195, 826774), (338, 476985), (390, 413387), (507, 317990), (845, 190794), (1014, 158995), (1690, 95397), (2535, 63598), (5070, 31799)]