61420560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{255919}}^1$

素因数の和:255935

約数の個数: 40

約数和(自身を含む): 190404480

約数和(自身を除く): 128983920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 255919, 511838, 767757, 1023676, 1279595, 1535514, 2047352, 2559190, 3071028, 3838785, 4094704, 5118380, 6142056, 7677570, 10236760, 12284112, 15355140, 20473520, 30710280, 61420560]

約数ペア:

[(1, 61420560), (2, 30710280), (3, 20473520), (4, 15355140), (5, 12284112), (6, 10236760), (8, 7677570), (10, 6142056), (12, 5118380), (15, 4094704), (16, 3838785), (20, 3071028), (24, 2559190), (30, 2047352), (40, 1535514), (48, 1279595), (60, 1023676), (80, 767757), (120, 511838), (240, 255919)]