261778080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{545371}}^1$

素因数の和:545389

約数の個数: 48

約数和(自身を含む): 824602464

約数和(自身を除く): 562824384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 545371, 1090742, 1636113, 2181484, 2726855, 3272226, 4362968, 5453710, 6544452, 8180565, 8725936, 10907420, 13088904, 16361130, 17451872, 21814840, 26177808, 32722260, 43629680, 52355616, 65444520, 87259360, 130889040, 261778080]

約数ペア:

[(1, 261778080), (2, 130889040), (3, 87259360), (4, 65444520), (5, 52355616), (6, 43629680), (8, 32722260), (10, 26177808), (12, 21814840), (15, 17451872), (16, 16361130), (20, 13088904), (24, 10907420), (30, 8725936), (32, 8180565), (40, 6544452), (48, 5453710), (60, 4362968), (80, 3272226), (96, 2726855), (120, 2181484), (160, 1636113), (240, 1090742), (480, 545371)]