18639120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2152

約数の個数: 80

約数和(自身を含む): 59371200

約数和(自身を除く): 40732080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2099, 2220, 2960, 4198, 4440, 6297, 8396, 8880, 10495, 12594, 16792, 20990, 25188, 31485, 33584, 41980, 50376, 62970, 77663, 83960, 100752, 125940, 155326, 167920, 232989, 251880, 310652, 388315, 465978, 503760, 621304, 776630, 931956, 1164945, 1242608, 1553260, 1863912, 2329890, 3106520, 3727824, 4659780, 6213040, 9319560, 18639120]

約数ペア:

[(1, 18639120), (2, 9319560), (3, 6213040), (4, 4659780), (5, 3727824), (6, 3106520), (8, 2329890), (10, 1863912), (12, 1553260), (15, 1242608), (16, 1164945), (20, 931956), (24, 776630), (30, 621304), (37, 503760), (40, 465978), (48, 388315), (60, 310652), (74, 251880), (80, 232989), (111, 167920), (120, 155326), (148, 125940), (185, 100752), (222, 83960), (240, 77663), (296, 62970), (370, 50376), (444, 41980), (555, 33584), (592, 31485), (740, 25188), (888, 20990), (1110, 16792), (1480, 12594), (1776, 10495), (2099, 8880), (2220, 8396), (2960, 6297), (4198, 4440)]