6448640

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 16940880

約数和(自身を除く): 10492240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 229, 256, 320, 352, 440, 458, 512, 640, 704, 880, 916, 1145, 1280, 1408, 1760, 1832, 2290, 2519, 2560, 2816, 3520, 3664, 4580, 5038, 5632, 7040, 7328, 9160, 10076, 12595, 14080, 14656, 18320, 20152, 25190, 28160, 29312, 36640, 40304, 50380, 58624, 73280, 80608, 100760, 117248, 146560, 161216, 201520, 293120, 322432, 403040, 586240, 644864, 806080, 1289728, 1612160, 3224320, 6448640]

約数ペア:

[(1, 6448640), (2, 3224320), (4, 1612160), (5, 1289728), (8, 806080), (10, 644864), (11, 586240), (16, 403040), (20, 322432), (22, 293120), (32, 201520), (40, 161216), (44, 146560), (55, 117248), (64, 100760), (80, 80608), (88, 73280), (110, 58624), (128, 50380), (160, 40304), (176, 36640), (220, 29312), (229, 28160), (256, 25190), (320, 20152), (352, 18320), (440, 14656), (458, 14080), (512, 12595), (640, 10076), (704, 9160), (880, 7328), (916, 7040), (1145, 5632), (1280, 5038), (1408, 4580), (1760, 3664), (1832, 3520), (2290, 2816), (2519, 2560)]