31981500

素因数分解:

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

素因数の和:154

約数の個数: 192

約数和(自身を含む): 109025280

約数和(自身を除く): 77043780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 90, 92, 100, 103, 108, 115, 125, 135, 138, 150, 180, 206, 207, 225, 230, 250, 270, 276, 300, 309, 345, 375, 412, 414, 450, 460, 500, 515, 540, 575, 618, 621, 675, 690, 750, 828, 900, 927, 1030, 1035, 1125, 1150, 1236, 1242, 1350, 1380, 1500, 1545, 1725, 1854, 2060, 2070, 2250, 2300, 2369, 2484, 2575, 2700, 2781, 2875, 3090, 3105, 3375, 3450, 3708, 4140, 4500, 4635, 4738, 5150, 5175, 5562, 5750, 6180, 6210, 6750, 6900, 7107, 7725, 8625, 9270, 9476, 10300, 10350, 11124, 11500, 11845, 12420, 12875, 13500, 13905, 14214, 15450, 15525, 17250, 18540, 20700, 21321, 23175, 23690, 25750, 25875, 27810, 28428, 30900, 31050, 34500, 35535, 38625, 42642, 46350, 47380, 51500, 51750, 55620, 59225, 62100, 63963, 69525, 71070, 77250, 77625, 85284, 92700, 103500, 106605, 115875, 118450, 127926, 139050, 142140, 154500, 155250, 177675, 213210, 231750, 236900, 255852, 278100, 296125, 310500, 319815, 347625, 355350, 426420, 463500, 533025, 592250, 639630, 695250, 710700, 888375, 1066050, 1184500, 1279260, 1390500, 1599075, 1776750, 2132100, 2665125, 3198150, 3553500, 5330250, 6396300, 7995375, 10660500, 15990750, 31981500]

約数ペア:

[(1, 31981500), (2, 15990750), (3, 10660500), (4, 7995375), (5, 6396300), (6, 5330250), (9, 3553500), (10, 3198150), (12, 2665125), (15, 2132100), (18, 1776750), (20, 1599075), (23, 1390500), (25, 1279260), (27, 1184500), (30, 1066050), (36, 888375), (45, 710700), (46, 695250), (50, 639630), (54, 592250), (60, 533025), (69, 463500), (75, 426420), (90, 355350), (92, 347625), (100, 319815), (103, 310500), (108, 296125), (115, 278100), (125, 255852), (135, 236900), (138, 231750), (150, 213210), (180, 177675), (206, 155250), (207, 154500), (225, 142140), (230, 139050), (250, 127926), (270, 118450), (276, 115875), (300, 106605), (309, 103500), (345, 92700), (375, 85284), (412, 77625), (414, 77250), (450, 71070), (460, 69525), (500, 63963), (515, 62100), (540, 59225), (575, 55620), (618, 51750), (621, 51500), (675, 47380), (690, 46350), (750, 42642), (828, 38625), (900, 35535), (927, 34500), (1030, 31050), (1035, 30900), (1125, 28428), (1150, 27810), (1236, 25875), (1242, 25750), (1350, 23690), (1380, 23175), (1500, 21321), (1545, 20700), (1725, 18540), (1854, 17250), (2060, 15525), (2070, 15450), (2250, 14214), (2300, 13905), (2369, 13500), (2484, 12875), (2575, 12420), (2700, 11845), (2781, 11500), (2875, 11124), (3090, 10350), (3105, 10300), (3375, 9476), (3450, 9270), (3708, 8625), (4140, 7725), (4500, 7107), (4635, 6900), (4738, 6750), (5150, 6210), (5175, 6180), (5562, 5750)]