918306060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{312349}}^1$

素因数の和:312375

約数の個数: 72

約数和(自身を含む): 2991063600

約数和(自身を除く): 2072757540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 312349, 624698, 937047, 1249396, 1561745, 1874094, 2186443, 3123490, 3748188, 4372886, 4685235, 6246980, 6559329, 8745772, 9370470, 10932215, 13118658, 15305101, 18740940, 21864430, 26237316, 30610202, 32796645, 43728860, 45915303, 61220404, 65593290, 76525505, 91830606, 131186580, 153051010, 183661212, 229576515, 306102020, 459153030, 918306060]

約数ペア:

[(1, 918306060), (2, 459153030), (3, 306102020), (4, 229576515), (5, 183661212), (6, 153051010), (7, 131186580), (10, 91830606), (12, 76525505), (14, 65593290), (15, 61220404), (20, 45915303), (21, 43728860), (28, 32796645), (30, 30610202), (35, 26237316), (42, 21864430), (49, 18740940), (60, 15305101), (70, 13118658), (84, 10932215), (98, 9370470), (105, 8745772), (140, 6559329), (147, 6246980), (196, 4685235), (210, 4372886), (245, 3748188), (294, 3123490), (420, 2186443), (490, 1874094), (588, 1561745), (735, 1249396), (980, 937047), (1470, 624698), (2940, 312349)]