18778864740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{469237}}^1$

素因数の和:469301

約数の個数: 96

約数和(自身を含む): 56759028480

約数和(自身を除く): 37980163740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 58, 60, 69, 87, 92, 115, 116, 138, 145, 174, 230, 276, 290, 345, 348, 435, 460, 580, 667, 690, 870, 1334, 1380, 1740, 2001, 2668, 3335, 4002, 6670, 8004, 10005, 13340, 20010, 40020, 469237, 938474, 1407711, 1876948, 2346185, 2815422, 4692370, 5630844, 7038555, 9384740, 10792451, 13607873, 14077110, 21584902, 27215746, 28154220, 32377353, 40823619, 43169804, 53962255, 54431492, 64754706, 68039365, 81647238, 107924510, 129509412, 136078730, 161886765, 163294476, 204118095, 215849020, 272157460, 312981079, 323773530, 408236190, 625962158, 647547060, 816472380, 938943237, 1251924316, 1564905395, 1877886474, 3129810790, 3755772948, 4694716185, 6259621580, 9389432370, 18778864740]

約数ペア:

[(1, 18778864740), (2, 9389432370), (3, 6259621580), (4, 4694716185), (5, 3755772948), (6, 3129810790), (10, 1877886474), (12, 1564905395), (15, 1251924316), (20, 938943237), (23, 816472380), (29, 647547060), (30, 625962158), (46, 408236190), (58, 323773530), (60, 312981079), (69, 272157460), (87, 215849020), (92, 204118095), (115, 163294476), (116, 161886765), (138, 136078730), (145, 129509412), (174, 107924510), (230, 81647238), (276, 68039365), (290, 64754706), (345, 54431492), (348, 53962255), (435, 43169804), (460, 40823619), (580, 32377353), (667, 28154220), (690, 27215746), (870, 21584902), (1334, 14077110), (1380, 13607873), (1740, 10792451), (2001, 9384740), (2668, 7038555), (3335, 5630844), (4002, 4692370), (6670, 2815422), (8004, 2346185), (10005, 1876948), (13340, 1407711), (20010, 938474), (40020, 469237)]