80620560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111973}}^1$

素因数の和:111992

約数の個数: 60

約数和(自身を含む): 270753132

約数和(自身を除く): 190132572

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, 111973, 223946, 335919, 447892, 559865, 671838, 895784, 1007757, 1119730, 1343676, 1679595, 1791568, 2015514, 2239460, 2687352, 3359190, 4031028, 4478920, 5038785, 5374704, 6718380, 8062056, 8957840, 10077570, 13436760, 16124112, 20155140, 26873520, 40310280, 80620560]

約数ペア:

[(1, 80620560), (2, 40310280), (3, 26873520), (4, 20155140), (5, 16124112), (6, 13436760), (8, 10077570), (9, 8957840), (10, 8062056), (12, 6718380), (15, 5374704), (16, 5038785), (18, 4478920), (20, 4031028), (24, 3359190), (30, 2687352), (36, 2239460), (40, 2015514), (45, 1791568), (48, 1679595), (60, 1343676), (72, 1119730), (80, 1007757), (90, 895784), (120, 671838), (144, 559865), (180, 447892), (240, 335919), (360, 223946), (720, 111973)]