389189520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{540541}}^1$

素因数の和:540560

約数の個数: 60

約数和(自身を含む): 1307030556

約数和(自身を除く): 917841036

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 540541, 1081082, 1621623, 2162164, 2702705, 3243246, 4324328, 4864869, 5405410, 6486492, 8108115, 8648656, 9729738, 10810820, 12972984, 16216230, 19459476, 21621640, 24324345, 25945968, 32432460, 38918952, 43243280, 48648690, 64864920, 77837904, 97297380, 129729840, 194594760, 389189520]

約数ペア:

[(1, 389189520), (2, 194594760), (3, 129729840), (4, 97297380), (5, 77837904), (6, 64864920), (8, 48648690), (9, 43243280), (10, 38918952), (12, 32432460), (15, 25945968), (16, 24324345), (18, 21621640), (20, 19459476), (24, 16216230), (30, 12972984), (36, 10810820), (40, 9729738), (45, 8648656), (48, 8108115), (60, 6486492), (72, 5405410), (80, 4864869), (90, 4324328), (120, 3243246), (144, 2702705), (180, 2162164), (240, 1621623), (360, 1081082), (720, 540541)]