219917520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{305441}}^1$

素因数の和:305460

約数の個数: 60

約数和(自身を含む): 738558756

約数和(自身を除く): 518641236

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, 305441, 610882, 916323, 1221764, 1527205, 1832646, 2443528, 2748969, 3054410, 3665292, 4581615, 4887056, 5497938, 6108820, 7330584, 9163230, 10995876, 12217640, 13744845, 14661168, 18326460, 21991752, 24435280, 27489690, 36652920, 43983504, 54979380, 73305840, 109958760, 219917520]

約数ペア:

[(1, 219917520), (2, 109958760), (3, 73305840), (4, 54979380), (5, 43983504), (6, 36652920), (8, 27489690), (9, 24435280), (10, 21991752), (12, 18326460), (15, 14661168), (16, 13744845), (18, 12217640), (20, 10995876), (24, 9163230), (30, 7330584), (36, 6108820), (40, 5497938), (45, 4887056), (48, 4581615), (60, 3665292), (72, 3054410), (80, 2748969), (90, 2443528), (120, 1832646), (144, 1527205), (180, 1221764), (240, 916323), (360, 610882), (720, 305441)]