81730500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{23}}^2\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 251212416

約数和(自身を除く): 169481916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 103, 115, 125, 138, 150, 206, 230, 250, 276, 300, 309, 345, 375, 412, 460, 500, 515, 529, 575, 618, 690, 750, 1030, 1058, 1150, 1236, 1380, 1500, 1545, 1587, 1725, 2060, 2116, 2300, 2369, 2575, 2645, 2875, 3090, 3174, 3450, 4738, 5150, 5290, 5750, 6180, 6348, 6900, 7107, 7725, 7935, 8625, 9476, 10300, 10580, 11500, 11845, 12875, 13225, 14214, 15450, 15870, 17250, 23690, 25750, 26450, 28428, 30900, 31740, 34500, 35535, 38625, 39675, 47380, 51500, 52900, 54487, 59225, 66125, 71070, 77250, 79350, 108974, 118450, 132250, 142140, 154500, 158700, 163461, 177675, 198375, 217948, 236900, 264500, 272435, 296125, 326922, 355350, 396750, 544870, 592250, 653844, 710700, 793500, 817305, 888375, 1089740, 1184500, 1362175, 1634610, 1776750, 2724350, 3269220, 3553500, 4086525, 5448700, 6810875, 8173050, 13621750, 16346100, 20432625, 27243500, 40865250, 81730500]

約数ペア:

[(1, 81730500), (2, 40865250), (3, 27243500), (4, 20432625), (5, 16346100), (6, 13621750), (10, 8173050), (12, 6810875), (15, 5448700), (20, 4086525), (23, 3553500), (25, 3269220), (30, 2724350), (46, 1776750), (50, 1634610), (60, 1362175), (69, 1184500), (75, 1089740), (92, 888375), (100, 817305), (103, 793500), (115, 710700), (125, 653844), (138, 592250), (150, 544870), (206, 396750), (230, 355350), (250, 326922), (276, 296125), (300, 272435), (309, 264500), (345, 236900), (375, 217948), (412, 198375), (460, 177675), (500, 163461), (515, 158700), (529, 154500), (575, 142140), (618, 132250), (690, 118450), (750, 108974), (1030, 79350), (1058, 77250), (1150, 71070), (1236, 66125), (1380, 59225), (1500, 54487), (1545, 52900), (1587, 51500), (1725, 47380), (2060, 39675), (2116, 38625), (2300, 35535), (2369, 34500), (2575, 31740), (2645, 30900), (2875, 28428), (3090, 26450), (3174, 25750), (3450, 23690), (4738, 17250), (5150, 15870), (5290, 15450), (5750, 14214), (6180, 13225), (6348, 12875), (6900, 11845), (7107, 11500), (7725, 10580), (7935, 10300), (8625, 9476)]