77128680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{642739}}^1$

素因数の和:642753

約数の個数: 32

約数和(自身を含む): 231386400

約数和(自身を除く): 154257720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 642739, 1285478, 1928217, 2570956, 3213695, 3856434, 5141912, 6427390, 7712868, 9641085, 12854780, 15425736, 19282170, 25709560, 38564340, 77128680]

約数ペア:

[(1, 77128680), (2, 38564340), (3, 25709560), (4, 19282170), (5, 15425736), (6, 12854780), (8, 9641085), (10, 7712868), (12, 6427390), (15, 5141912), (20, 3856434), (24, 3213695), (30, 2570956), (40, 1928217), (60, 1285478), (120, 642739)]