66537620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 154220640

約数和(自身を除く): 87683020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 331, 380, 437, 460, 529, 662, 874, 1058, 1324, 1655, 1748, 2116, 2185, 2645, 3310, 4370, 5290, 6289, 6620, 7613, 8740, 10051, 10580, 12578, 15226, 20102, 25156, 30452, 31445, 38065, 40204, 50255, 62890, 76130, 100510, 125780, 144647, 152260, 175099, 201020, 289294, 350198, 578588, 700396, 723235, 875495, 1446470, 1750990, 2892940, 3326881, 3501980, 6653762, 13307524, 16634405, 33268810, 66537620]

約数ペア:

[(1, 66537620), (2, 33268810), (4, 16634405), (5, 13307524), (10, 6653762), (19, 3501980), (20, 3326881), (23, 2892940), (38, 1750990), (46, 1446470), (76, 875495), (92, 723235), (95, 700396), (115, 578588), (190, 350198), (230, 289294), (331, 201020), (380, 175099), (437, 152260), (460, 144647), (529, 125780), (662, 100510), (874, 76130), (1058, 62890), (1324, 50255), (1655, 40204), (1748, 38065), (2116, 31445), (2185, 30452), (2645, 25156), (3310, 20102), (4370, 15226), (5290, 12578), (6289, 10580), (6620, 10051), (7613, 8740)]