2021240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 64

約数和(自身を含む): 5140800

約数和(自身を除く): 3119560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 169, 184, 230, 260, 299, 338, 460, 520, 598, 676, 845, 920, 1196, 1352, 1495, 1690, 2197, 2392, 2990, 3380, 3887, 4394, 5980, 6760, 7774, 8788, 10985, 11960, 15548, 17576, 19435, 21970, 31096, 38870, 43940, 50531, 77740, 87880, 101062, 155480, 202124, 252655, 404248, 505310, 1010620, 2021240]

約数ペア:

[(1, 2021240), (2, 1010620), (4, 505310), (5, 404248), (8, 252655), (10, 202124), (13, 155480), (20, 101062), (23, 87880), (26, 77740), (40, 50531), (46, 43940), (52, 38870), (65, 31096), (92, 21970), (104, 19435), (115, 17576), (130, 15548), (169, 11960), (184, 10985), (230, 8788), (260, 7774), (299, 6760), (338, 5980), (460, 4394), (520, 3887), (598, 3380), (676, 2990), (845, 2392), (920, 2197), (1196, 1690), (1352, 1495)]