64157660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3851}}^1$

素因数の和:3891

約数の個数: 72

約数和(自身を含む): 165990384

約数和(自身を除く): 101832724

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 3851, 4165, 7702, 8330, 15404, 16660, 19255, 26957, 38510, 53914, 65467, 77020, 107828, 130934, 134785, 188699, 261868, 269570, 327335, 377398, 458269, 539140, 654670, 754796, 916538, 943495, 1309340, 1833076, 1886990, 2291345, 3207883, 3773980, 4582690, 6415766, 9165380, 12831532, 16039415, 32078830, 64157660]

約数ペア:

[(1, 64157660), (2, 32078830), (4, 16039415), (5, 12831532), (7, 9165380), (10, 6415766), (14, 4582690), (17, 3773980), (20, 3207883), (28, 2291345), (34, 1886990), (35, 1833076), (49, 1309340), (68, 943495), (70, 916538), (85, 754796), (98, 654670), (119, 539140), (140, 458269), (170, 377398), (196, 327335), (238, 269570), (245, 261868), (340, 188699), (476, 134785), (490, 130934), (595, 107828), (833, 77020), (980, 65467), (1190, 53914), (1666, 38510), (2380, 26957), (3332, 19255), (3851, 16660), (4165, 15404), (7702, 8330)]