81949280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3851}}^1$

素因数の和:3892

約数の個数: 96

約数和(自身を含む): 232968960

約数和(自身を除く): 151019680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 3851, 4256, 5320, 7702, 10640, 15404, 19255, 21280, 26957, 30808, 38510, 53914, 61616, 73169, 77020, 107828, 123232, 134785, 146338, 154040, 215656, 269570, 292676, 308080, 365845, 431312, 512183, 539140, 585352, 616160, 731690, 862624, 1024366, 1078280, 1170704, 1463380, 2048732, 2156560, 2341408, 2560915, 2926760, 4097464, 4313120, 5121830, 5853520, 8194928, 10243660, 11707040, 16389856, 20487320, 40974640, 81949280]

約数ペア:

[(1, 81949280), (2, 40974640), (4, 20487320), (5, 16389856), (7, 11707040), (8, 10243660), (10, 8194928), (14, 5853520), (16, 5121830), (19, 4313120), (20, 4097464), (28, 2926760), (32, 2560915), (35, 2341408), (38, 2156560), (40, 2048732), (56, 1463380), (70, 1170704), (76, 1078280), (80, 1024366), (95, 862624), (112, 731690), (133, 616160), (140, 585352), (152, 539140), (160, 512183), (190, 431312), (224, 365845), (266, 308080), (280, 292676), (304, 269570), (380, 215656), (532, 154040), (560, 146338), (608, 134785), (665, 123232), (760, 107828), (1064, 77020), (1120, 73169), (1330, 61616), (1520, 53914), (2128, 38510), (2660, 30808), (3040, 26957), (3851, 21280), (4256, 19255), (5320, 15404), (7702, 10640)]