219901680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{305419}}^1$

素因数の和:305438

約数の個数: 60

約数和(自身を含む): 738505560

約数和(自身を除く): 518603880

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, 305419, 610838, 916257, 1221676, 1527095, 1832514, 2443352, 2748771, 3054190, 3665028, 4581285, 4886704, 5497542, 6108380, 7330056, 9162570, 10995084, 12216760, 13743855, 14660112, 18325140, 21990168, 24433520, 27487710, 36650280, 43980336, 54975420, 73300560, 109950840, 219901680]

約数ペア:

[(1, 219901680), (2, 109950840), (3, 73300560), (4, 54975420), (5, 43980336), (6, 36650280), (8, 27487710), (9, 24433520), (10, 21990168), (12, 18325140), (15, 14660112), (16, 13743855), (18, 12216760), (20, 10995084), (24, 9162570), (30, 7330056), (36, 6108380), (40, 5497542), (45, 4886704), (48, 4581285), (60, 3665028), (72, 3054190), (80, 2748771), (90, 2443352), (120, 1832514), (144, 1527095), (180, 1221676), (240, 916257), (360, 610838), (720, 305419)]