30665840

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 74325600

約数和(自身を除く): 43659760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 73, 80, 89, 118, 146, 178, 236, 292, 295, 356, 365, 445, 472, 584, 590, 712, 730, 890, 944, 1168, 1180, 1424, 1460, 1780, 2360, 2920, 3560, 4307, 4720, 5251, 5840, 6497, 7120, 8614, 10502, 12994, 17228, 21004, 21535, 25988, 26255, 32485, 34456, 42008, 43070, 51976, 52510, 64970, 68912, 84016, 86140, 103952, 105020, 129940, 172280, 210040, 259880, 344560, 383323, 420080, 519760, 766646, 1533292, 1916615, 3066584, 3833230, 6133168, 7666460, 15332920, 30665840]

約数ペア:

[(1, 30665840), (2, 15332920), (4, 7666460), (5, 6133168), (8, 3833230), (10, 3066584), (16, 1916615), (20, 1533292), (40, 766646), (59, 519760), (73, 420080), (80, 383323), (89, 344560), (118, 259880), (146, 210040), (178, 172280), (236, 129940), (292, 105020), (295, 103952), (356, 86140), (365, 84016), (445, 68912), (472, 64970), (584, 52510), (590, 51976), (712, 43070), (730, 42008), (890, 34456), (944, 32485), (1168, 26255), (1180, 25988), (1424, 21535), (1460, 21004), (1780, 17228), (2360, 12994), (2920, 10502), (3560, 8614), (4307, 7120), (4720, 6497), (5251, 5840)]