77872560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{324469}}^1$

素因数の和:324485

約数の個数: 40

約数和(自身を含む): 241405680

約数和(自身を除く): 163533120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 324469, 648938, 973407, 1297876, 1622345, 1946814, 2595752, 3244690, 3893628, 4867035, 5191504, 6489380, 7787256, 9734070, 12978760, 15574512, 19468140, 25957520, 38936280, 77872560]

約数ペア:

[(1, 77872560), (2, 38936280), (3, 25957520), (4, 19468140), (5, 15574512), (6, 12978760), (8, 9734070), (10, 7787256), (12, 6489380), (15, 5191504), (16, 4867035), (20, 3893628), (24, 3244690), (30, 2595752), (40, 1946814), (48, 1622345), (60, 1297876), (80, 973407), (120, 648938), (240, 324469)]