40310280

素因数分解:

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

素因数の和:111990

約数の個数: 48

約数和(自身を含む): 131009580

約数和(自身を除く): 90699300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 111973, 223946, 335919, 447892, 559865, 671838, 895784, 1007757, 1119730, 1343676, 1679595, 2015514, 2239460, 2687352, 3359190, 4031028, 4478920, 5038785, 6718380, 8062056, 10077570, 13436760, 20155140, 40310280]

約数ペア:

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