31381200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:426

約数の個数: 180

約数和(自身を含む): 113936160

約数和(自身を除く): 82554960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 48, 50, 60, 69, 72, 75, 80, 90, 92, 100, 115, 120, 138, 144, 150, 180, 184, 200, 207, 225, 230, 240, 276, 300, 345, 360, 368, 379, 400, 414, 450, 460, 552, 575, 600, 690, 720, 758, 828, 900, 920, 1035, 1104, 1137, 1150, 1200, 1380, 1516, 1656, 1725, 1800, 1840, 1895, 2070, 2274, 2300, 2760, 3032, 3312, 3411, 3450, 3600, 3790, 4140, 4548, 4600, 5175, 5520, 5685, 6064, 6822, 6900, 7580, 8280, 8717, 9096, 9200, 9475, 10350, 11370, 13644, 13800, 15160, 16560, 17055, 17434, 18192, 18950, 20700, 22740, 26151, 27288, 27600, 28425, 30320, 34110, 34868, 37900, 41400, 43585, 45480, 52302, 54576, 56850, 68220, 69736, 75800, 78453, 82800, 85275, 87170, 90960, 104604, 113700, 130755, 136440, 139472, 151600, 156906, 170550, 174340, 209208, 217925, 227400, 261510, 272880, 313812, 341100, 348680, 392265, 418416, 435850, 454800, 523020, 627624, 653775, 682200, 697360, 784530, 871700, 1046040, 1255248, 1307550, 1364400, 1569060, 1743400, 1961325, 2092080, 2615100, 3138120, 3486800, 3922650, 5230200, 6276240, 7845300, 10460400, 15690600, 31381200]

約数ペア:

[(1, 31381200), (2, 15690600), (3, 10460400), (4, 7845300), (5, 6276240), (6, 5230200), (8, 3922650), (9, 3486800), (10, 3138120), (12, 2615100), (15, 2092080), (16, 1961325), (18, 1743400), (20, 1569060), (23, 1364400), (24, 1307550), (25, 1255248), (30, 1046040), (36, 871700), (40, 784530), (45, 697360), (46, 682200), (48, 653775), (50, 627624), (60, 523020), (69, 454800), (72, 435850), (75, 418416), (80, 392265), (90, 348680), (92, 341100), (100, 313812), (115, 272880), (120, 261510), (138, 227400), (144, 217925), (150, 209208), (180, 174340), (184, 170550), (200, 156906), (207, 151600), (225, 139472), (230, 136440), (240, 130755), (276, 113700), (300, 104604), (345, 90960), (360, 87170), (368, 85275), (379, 82800), (400, 78453), (414, 75800), (450, 69736), (460, 68220), (552, 56850), (575, 54576), (600, 52302), (690, 45480), (720, 43585), (758, 41400), (828, 37900), (900, 34868), (920, 34110), (1035, 30320), (1104, 28425), (1137, 27600), (1150, 27288), (1200, 26151), (1380, 22740), (1516, 20700), (1656, 18950), (1725, 18192), (1800, 17434), (1840, 17055), (1895, 16560), (2070, 15160), (2274, 13800), (2300, 13644), (2760, 11370), (3032, 10350), (3312, 9475), (3411, 9200), (3450, 9096), (3600, 8717), (3790, 8280), (4140, 7580), (4548, 6900), (4600, 6822), (5175, 6064), (5520, 5685)]