645765360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2690689}}^1$

素因数の和:2690705

約数の個数: 40

約数和(自身を含む): 2001873360

約数和(自身を除く): 1356108000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2690689, 5381378, 8072067, 10762756, 13453445, 16144134, 21525512, 26906890, 32288268, 40360335, 43051024, 53813780, 64576536, 80720670, 107627560, 129153072, 161441340, 215255120, 322882680, 645765360]

約数ペア:

[(1, 645765360), (2, 322882680), (3, 215255120), (4, 161441340), (5, 129153072), (6, 107627560), (8, 80720670), (10, 64576536), (12, 53813780), (15, 43051024), (16, 40360335), (20, 32288268), (24, 26906890), (30, 21525512), (40, 16144134), (48, 13453445), (60, 10762756), (80, 8072067), (120, 5381378), (240, 2690689)]