261763440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1090681}}^1$

素因数の和:1090697

約数の個数: 40

約数和(自身を含む): 811467408

約数和(自身を除く): 549703968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1090681, 2181362, 3272043, 4362724, 5453405, 6544086, 8725448, 10906810, 13088172, 16360215, 17450896, 21813620, 26176344, 32720430, 43627240, 52352688, 65440860, 87254480, 130881720, 261763440]

約数ペア:

[(1, 261763440), (2, 130881720), (3, 87254480), (4, 65440860), (5, 52352688), (6, 43627240), (8, 32720430), (10, 26176344), (12, 21813620), (15, 17450896), (16, 16360215), (20, 13088172), (24, 10906810), (30, 8725448), (40, 6544086), (48, 5453405), (60, 4362724), (80, 3272043), (120, 2181362), (240, 1090681)]