638045213160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{51621781}}^1$

素因数の和:51621898

約数の個数: 64

約数和(自身を含む): 1932719518080

約数和(自身を除く): 1294674304920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 51621781, 103243562, 154865343, 206487124, 258108905, 309730686, 412974248, 516217810, 619461372, 774326715, 1032435620, 1238922744, 1548653430, 2064871240, 3097306860, 5317043443, 6194613720, 10634086886, 15951130329, 21268173772, 26585217215, 31902260658, 42536347544, 53170434430, 63804521316, 79755651645, 106340868860, 127609042632, 159511303290, 212681737720, 319022606580, 638045213160]

約数ペア:

[(1, 638045213160), (2, 319022606580), (3, 212681737720), (4, 159511303290), (5, 127609042632), (6, 106340868860), (8, 79755651645), (10, 63804521316), (12, 53170434430), (15, 42536347544), (20, 31902260658), (24, 26585217215), (30, 21268173772), (40, 15951130329), (60, 10634086886), (103, 6194613720), (120, 5317043443), (206, 3097306860), (309, 2064871240), (412, 1548653430), (515, 1238922744), (618, 1032435620), (824, 774326715), (1030, 619461372), (1236, 516217810), (1545, 412974248), (2060, 309730686), (2472, 258108905), (3090, 206487124), (4120, 154865343), (6180, 103243562), (12360, 51621781)]