639186.000000000

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{128321}}^1$

素因数の和:128343

約数の個数: 64

約数和(自身を含む): 785330640

約数和(自身を除く): 538954320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 128321, 256642, 384963, 513284, 641605, 769926, 1026568, 1283210, 1539852, 1924815, 2053136, 2566420, 3079704, 3849630, 4106272, 5132840, 6159408, 7699260, 8212544, 10265680, 12318816, 15398520, 16425088, 20531360, 24637632, 30797040, 41062720, 49275264, 61594080, 82125440, 123188160, 246376320]

約数ペア:

[(1, 246376320), (2, 123188160), (3, 82125440), (4, 61594080), (5, 49275264), (6, 41062720), (8, 30797040), (10, 24637632), (12, 20531360), (15, 16425088), (16, 15398520), (20, 12318816), (24, 10265680), (30, 8212544), (32, 7699260), (40, 6159408), (48, 5132840), (60, 4106272), (64, 3849630), (80, 3079704), (96, 2566420), (120, 2053136), (128, 1924815), (160, 1539852), (192, 1283210), (240, 1026568), (320, 769926), (384, 641605), (480, 513284), (640, 384963), (960, 256642), (1920, 128321)]