77147760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{321449}}^1$

素因数の和:321465

約数の個数: 40

約数和(自身を含む): 239158800

約数和(自身を除く): 162011040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 321449, 642898, 964347, 1285796, 1607245, 1928694, 2571592, 3214490, 3857388, 4821735, 5143184, 6428980, 7714776, 9643470, 12857960, 15429552, 19286940, 25715920, 38573880, 77147760]

約数ペア:

[(1, 77147760), (2, 38573880), (3, 25715920), (4, 19286940), (5, 15429552), (6, 12857960), (8, 9643470), (10, 7714776), (12, 6428980), (15, 5143184), (16, 4821735), (20, 3857388), (24, 3214490), (30, 2571592), (40, 1928694), (48, 1607245), (60, 1285796), (80, 964347), (120, 642898), (240, 321449)]