64486400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:270

約数の個数: 132

約数和(自身を含む): 175141320

約数和(自身を除く): 110654920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 229, 256, 275, 320, 352, 400, 440, 458, 512, 550, 640, 704, 800, 880, 916, 1024, 1100, 1145, 1280, 1408, 1600, 1760, 1832, 2200, 2290, 2519, 2560, 2816, 3200, 3520, 3664, 4400, 4580, 5038, 5120, 5632, 5725, 6400, 7040, 7328, 8800, 9160, 10076, 11264, 11450, 12595, 12800, 14080, 14656, 17600, 18320, 20152, 22900, 25190, 25600, 28160, 29312, 35200, 36640, 40304, 45800, 50380, 56320, 58624, 62975, 70400, 73280, 80608, 91600, 100760, 117248, 125950, 140800, 146560, 161216, 183200, 201520, 234496, 251900, 281600, 293120, 322432, 366400, 403040, 503800, 586240, 644864, 732800, 806080, 1007600, 1172480, 1289728, 1465600, 1612160, 2015200, 2579456, 2931200, 3224320, 4030400, 5862400, 6448640, 8060800, 12897280, 16121600, 32243200, 64486400]

約数ペア:

[(1, 64486400), (2, 32243200), (4, 16121600), (5, 12897280), (8, 8060800), (10, 6448640), (11, 5862400), (16, 4030400), (20, 3224320), (22, 2931200), (25, 2579456), (32, 2015200), (40, 1612160), (44, 1465600), (50, 1289728), (55, 1172480), (64, 1007600), (80, 806080), (88, 732800), (100, 644864), (110, 586240), (128, 503800), (160, 403040), (176, 366400), (200, 322432), (220, 293120), (229, 281600), (256, 251900), (275, 234496), (320, 201520), (352, 183200), (400, 161216), (440, 146560), (458, 140800), (512, 125950), (550, 117248), (640, 100760), (704, 91600), (800, 80608), (880, 73280), (916, 70400), (1024, 62975), (1100, 58624), (1145, 56320), (1280, 50380), (1408, 45800), (1600, 40304), (1760, 36640), (1832, 35200), (2200, 29312), (2290, 28160), (2519, 25600), (2560, 25190), (2816, 22900), (3200, 20152), (3520, 18320), (3664, 17600), (4400, 14656), (4580, 14080), (5038, 12800), (5120, 12595), (5632, 11450), (5725, 11264), (6400, 10076), (7040, 9160), (7328, 8800)]