71127680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 187125120

約数和(自身を除く): 115997440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 103, 104, 128, 130, 160, 166, 206, 208, 260, 320, 332, 412, 415, 416, 515, 520, 640, 664, 824, 830, 832, 1030, 1040, 1079, 1328, 1339, 1648, 1660, 1664, 2060, 2080, 2158, 2656, 2678, 3296, 3320, 4120, 4160, 4316, 5312, 5356, 5395, 6592, 6640, 6695, 8240, 8320, 8549, 8632, 10624, 10712, 10790, 13184, 13280, 13390, 16480, 17098, 17264, 21424, 21580, 26560, 26780, 32960, 34196, 34528, 42745, 42848, 43160, 53120, 53560, 65920, 68392, 69056, 85490, 85696, 86320, 107120, 111137, 136784, 138112, 170980, 171392, 172640, 214240, 222274, 273568, 341960, 345280, 428480, 444548, 547136, 555685, 683920, 690560, 856960, 889096, 1094272, 1111370, 1367840, 1778192, 2222740, 2735680, 3556384, 4445480, 5471360, 7112768, 8890960, 14225536, 17781920, 35563840, 71127680]

約数ペア:

[(1, 71127680), (2, 35563840), (4, 17781920), (5, 14225536), (8, 8890960), (10, 7112768), (13, 5471360), (16, 4445480), (20, 3556384), (26, 2735680), (32, 2222740), (40, 1778192), (52, 1367840), (64, 1111370), (65, 1094272), (80, 889096), (83, 856960), (103, 690560), (104, 683920), (128, 555685), (130, 547136), (160, 444548), (166, 428480), (206, 345280), (208, 341960), (260, 273568), (320, 222274), (332, 214240), (412, 172640), (415, 171392), (416, 170980), (515, 138112), (520, 136784), (640, 111137), (664, 107120), (824, 86320), (830, 85696), (832, 85490), (1030, 69056), (1040, 68392), (1079, 65920), (1328, 53560), (1339, 53120), (1648, 43160), (1660, 42848), (1664, 42745), (2060, 34528), (2080, 34196), (2158, 32960), (2656, 26780), (2678, 26560), (3296, 21580), (3320, 21424), (4120, 17264), (4160, 17098), (4316, 16480), (5312, 13390), (5356, 13280), (5395, 13184), (6592, 10790), (6640, 10712), (6695, 10624), (8240, 8632), (8320, 8549)]