1686564720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{780817}}^1$

素因数の和:780839

約数の個数: 80

約数和(自身を含む): 5809285920

約数和(自身を除く): 4122721200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 780817, 1561634, 2342451, 3123268, 3904085, 4684902, 6246536, 7027353, 7808170, 9369804, 11712255, 12493072, 14054706, 15616340, 18739608, 21082059, 23424510, 28109412, 31232680, 35136765, 37479216, 42164118, 46849020, 56218824, 62465360, 70273530, 84328236, 93698040, 105410295, 112437648, 140547060, 168656472, 187396080, 210820590, 281094120, 337312944, 421641180, 562188240, 843282360, 1686564720]

約数ペア:

[(1, 1686564720), (2, 843282360), (3, 562188240), (4, 421641180), (5, 337312944), (6, 281094120), (8, 210820590), (9, 187396080), (10, 168656472), (12, 140547060), (15, 112437648), (16, 105410295), (18, 93698040), (20, 84328236), (24, 70273530), (27, 62465360), (30, 56218824), (36, 46849020), (40, 42164118), (45, 37479216), (48, 35136765), (54, 31232680), (60, 28109412), (72, 23424510), (80, 21082059), (90, 18739608), (108, 15616340), (120, 14054706), (135, 12493072), (144, 11712255), (180, 9369804), (216, 7808170), (240, 7027353), (270, 6246536), (360, 4684902), (432, 3904085), (540, 3123268), (720, 2342451), (1080, 1561634), (2160, 780817)]