31261200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:369

約数の個数: 120

約数和(自身を含む): 101481600

約数和(自身を除く): 70220400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 109, 120, 150, 200, 218, 239, 240, 300, 327, 400, 436, 478, 545, 600, 654, 717, 872, 956, 1090, 1195, 1200, 1308, 1434, 1635, 1744, 1912, 2180, 2390, 2616, 2725, 2868, 3270, 3585, 3824, 4360, 4780, 5232, 5450, 5736, 5975, 6540, 7170, 8175, 8720, 9560, 10900, 11472, 11950, 13080, 14340, 16350, 17925, 19120, 21800, 23900, 26051, 26160, 28680, 32700, 35850, 43600, 47800, 52102, 57360, 65400, 71700, 78153, 95600, 104204, 130255, 130800, 143400, 156306, 208408, 260510, 286800, 312612, 390765, 416816, 521020, 625224, 651275, 781530, 1042040, 1250448, 1302550, 1563060, 1953825, 2084080, 2605100, 3126120, 3907650, 5210200, 6252240, 7815300, 10420400, 15630600, 31261200]

約数ペア:

[(1, 31261200), (2, 15630600), (3, 10420400), (4, 7815300), (5, 6252240), (6, 5210200), (8, 3907650), (10, 3126120), (12, 2605100), (15, 2084080), (16, 1953825), (20, 1563060), (24, 1302550), (25, 1250448), (30, 1042040), (40, 781530), (48, 651275), (50, 625224), (60, 521020), (75, 416816), (80, 390765), (100, 312612), (109, 286800), (120, 260510), (150, 208408), (200, 156306), (218, 143400), (239, 130800), (240, 130255), (300, 104204), (327, 95600), (400, 78153), (436, 71700), (478, 65400), (545, 57360), (600, 52102), (654, 47800), (717, 43600), (872, 35850), (956, 32700), (1090, 28680), (1195, 26160), (1200, 26051), (1308, 23900), (1434, 21800), (1635, 19120), (1744, 17925), (1912, 16350), (2180, 14340), (2390, 13080), (2616, 11950), (2725, 11472), (2868, 10900), (3270, 9560), (3585, 8720), (3824, 8175), (4360, 7170), (4780, 6540), (5232, 5975), (5450, 5736)]