261280560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1088669}}^1$

素因数の和:1088685

約数の個数: 40

約数和(自身を含む): 809970480

約数和(自身を除く): 548689920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1088669, 2177338, 3266007, 4354676, 5443345, 6532014, 8709352, 10886690, 13064028, 16330035, 17418704, 21773380, 26128056, 32660070, 43546760, 52256112, 65320140, 87093520, 130640280, 261280560]

約数ペア:

[(1, 261280560), (2, 130640280), (3, 87093520), (4, 65320140), (5, 52256112), (6, 43546760), (8, 32660070), (10, 26128056), (12, 21773380), (15, 17418704), (16, 16330035), (20, 13064028), (24, 10886690), (30, 8709352), (40, 6532014), (48, 5443345), (60, 4354676), (80, 3266007), (120, 2177338), (240, 1088669)]