31397865720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20126837}}^1$

素因数の和:20126864

約数の個数: 64

約数和(自身を含む): 101439263520

約数和(自身を除く): 70041397800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20126837, 40253674, 60380511, 80507348, 100634185, 120761022, 161014696, 201268370, 241522044, 261648881, 301902555, 402536740, 483044088, 523297762, 603805110, 784946643, 805073480, 1046595524, 1207610220, 1308244405, 1569893286, 2093191048, 2415220440, 2616488810, 3139786572, 3924733215, 5232977620, 6279573144, 7849466430, 10465955240, 15698932860, 31397865720]

約数ペア:

[(1, 31397865720), (2, 15698932860), (3, 10465955240), (4, 7849466430), (5, 6279573144), (6, 5232977620), (8, 3924733215), (10, 3139786572), (12, 2616488810), (13, 2415220440), (15, 2093191048), (20, 1569893286), (24, 1308244405), (26, 1207610220), (30, 1046595524), (39, 805073480), (40, 784946643), (52, 603805110), (60, 523297762), (65, 483044088), (78, 402536740), (104, 301902555), (120, 261648881), (130, 241522044), (156, 201268370), (195, 161014696), (260, 120761022), (312, 100634185), (390, 80507348), (520, 60380511), (780, 40253674), (1560, 20126837)]