138930720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{289439}}^1$

素因数の和:289457

約数の個数: 48

約数和(自身を含む): 437633280

約数和(自身を除く): 298702560

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, 289439, 578878, 868317, 1157756, 1447195, 1736634, 2315512, 2894390, 3473268, 4341585, 4631024, 5788780, 6946536, 8683170, 9262048, 11577560, 13893072, 17366340, 23155120, 27786144, 34732680, 46310240, 69465360, 138930720]

約数ペア:

[(1, 138930720), (2, 69465360), (3, 46310240), (4, 34732680), (5, 27786144), (6, 23155120), (8, 17366340), (10, 13893072), (12, 11577560), (15, 9262048), (16, 8683170), (20, 6946536), (24, 5788780), (30, 4631024), (32, 4341585), (40, 3473268), (48, 2894390), (60, 2315512), (80, 1736634), (96, 1447195), (120, 1157756), (160, 868317), (240, 578878), (480, 289439)]