55561520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2111}}^1$

素因数の和:2178

約数の個数: 80

約数和(自身を含む): 150847488

約数和(自身を除く): 95285968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2111, 2632, 3290, 3760, 4222, 5264, 6580, 8444, 10555, 13160, 14777, 16888, 21110, 26320, 29554, 33776, 42220, 59108, 73885, 84440, 99217, 118216, 147770, 168880, 198434, 236432, 295540, 396868, 496085, 591080, 694519, 793736, 992170, 1182160, 1389038, 1587472, 1984340, 2778076, 3472595, 3968680, 5556152, 6945190, 7937360, 11112304, 13890380, 27780760, 55561520]

約数ペア:

[(1, 55561520), (2, 27780760), (4, 13890380), (5, 11112304), (7, 7937360), (8, 6945190), (10, 5556152), (14, 3968680), (16, 3472595), (20, 2778076), (28, 1984340), (35, 1587472), (40, 1389038), (47, 1182160), (56, 992170), (70, 793736), (80, 694519), (94, 591080), (112, 496085), (140, 396868), (188, 295540), (235, 236432), (280, 198434), (329, 168880), (376, 147770), (470, 118216), (560, 99217), (658, 84440), (752, 73885), (940, 59108), (1316, 42220), (1645, 33776), (1880, 29554), (2111, 26320), (2632, 21110), (3290, 16888), (3760, 14777), (4222, 13160), (5264, 10555), (6580, 8444)]