31348080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:676

約数の個数: 160

約数和(自身を含む): 112849920

約数和(自身を除く): 81501840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 631, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1262, 1380, 1656, 1840, 1893, 2070, 2160, 2484, 2524, 2760, 3105, 3155, 3312, 3786, 4140, 4968, 5048, 5520, 5679, 6210, 6310, 7572, 8280, 9465, 9936, 10096, 11358, 12420, 12620, 14513, 15144, 16560, 17037, 18930, 22716, 24840, 25240, 28395, 29026, 30288, 34074, 37860, 43539, 45432, 49680, 50480, 56790, 58052, 68148, 72565, 75720, 85185, 87078, 90864, 113580, 116104, 130617, 136296, 145130, 151440, 170370, 174156, 217695, 227160, 232208, 261234, 272592, 290260, 340740, 348312, 391851, 435390, 454320, 522468, 580520, 653085, 681480, 696624, 783702, 870780, 1044936, 1161040, 1306170, 1362960, 1567404, 1741560, 1959255, 2089872, 2612340, 3134808, 3483120, 3918510, 5224680, 6269616, 7837020, 10449360, 15674040, 31348080]

約数ペア:

[(1, 31348080), (2, 15674040), (3, 10449360), (4, 7837020), (5, 6269616), (6, 5224680), (8, 3918510), (9, 3483120), (10, 3134808), (12, 2612340), (15, 2089872), (16, 1959255), (18, 1741560), (20, 1567404), (23, 1362960), (24, 1306170), (27, 1161040), (30, 1044936), (36, 870780), (40, 783702), (45, 696624), (46, 681480), (48, 653085), (54, 580520), (60, 522468), (69, 454320), (72, 435390), (80, 391851), (90, 348312), (92, 340740), (108, 290260), (115, 272592), (120, 261234), (135, 232208), (138, 227160), (144, 217695), (180, 174156), (184, 170370), (207, 151440), (216, 145130), (230, 136296), (240, 130617), (270, 116104), (276, 113580), (345, 90864), (360, 87078), (368, 85185), (414, 75720), (432, 72565), (460, 68148), (540, 58052), (552, 56790), (621, 50480), (631, 49680), (690, 45432), (720, 43539), (828, 37860), (920, 34074), (1035, 30288), (1080, 29026), (1104, 28395), (1242, 25240), (1262, 24840), (1380, 22716), (1656, 18930), (1840, 17037), (1893, 16560), (2070, 15144), (2160, 14513), (2484, 12620), (2524, 12420), (2760, 11358), (3105, 10096), (3155, 9936), (3312, 9465), (3786, 8280), (4140, 7572), (4968, 6310), (5048, 6210), (5520, 5679)]