215818240

素因数分解:

$2^{13}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1$

素因数の和:521

約数の個数: 112

約数和(自身を含む): 566196480

約数和(自身を除く): 350378240

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, 256, 320, 352, 440, 479, 512, 640, 704, 880, 958, 1024, 1280, 1408, 1760, 1916, 2048, 2395, 2560, 2816, 3520, 3832, 4096, 4790, 5120, 5269, 5632, 7040, 7664, 8192, 9580, 10240, 10538, 11264, 14080, 15328, 19160, 20480, 21076, 22528, 26345, 28160, 30656, 38320, 40960, 42152, 45056, 52690, 56320, 61312, 76640, 84304, 90112, 105380, 112640, 122624, 153280, 168608, 210760, 225280, 245248, 306560, 337216, 421520, 450560, 490496, 613120, 674432, 843040, 980992, 1226240, 1348864, 1686080, 1961984, 2452480, 2697728, 3372160, 3923968, 4904960, 5395456, 6744320, 9809920, 10790912, 13488640, 19619840, 21581824, 26977280, 43163648, 53954560, 107909120, 215818240]

約数ペア:

[(1, 215818240), (2, 107909120), (4, 53954560), (5, 43163648), (8, 26977280), (10, 21581824), (11, 19619840), (16, 13488640), (20, 10790912), (22, 9809920), (32, 6744320), (40, 5395456), (44, 4904960), (55, 3923968), (64, 3372160), (80, 2697728), (88, 2452480), (110, 1961984), (128, 1686080), (160, 1348864), (176, 1226240), (220, 980992), (256, 843040), (320, 674432), (352, 613120), (440, 490496), (479, 450560), (512, 421520), (640, 337216), (704, 306560), (880, 245248), (958, 225280), (1024, 210760), (1280, 168608), (1408, 153280), (1760, 122624), (1916, 112640), (2048, 105380), (2395, 90112), (2560, 84304), (2816, 76640), (3520, 61312), (3832, 56320), (4096, 52690), (4790, 45056), (5120, 42152), (5269, 40960), (5632, 38320), (7040, 30656), (7664, 28160), (8192, 26345), (9580, 22528), (10240, 21076), (10538, 20480), (11264, 19160), (14080, 15328)]