31348440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 107190720

約数和(自身を除く): 75842280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 53, 60, 62, 72, 90, 93, 106, 120, 124, 155, 159, 180, 186, 212, 248, 265, 279, 310, 318, 360, 372, 424, 465, 477, 530, 558, 620, 636, 744, 795, 930, 954, 1060, 1116, 1240, 1272, 1395, 1590, 1643, 1860, 1908, 2120, 2232, 2385, 2790, 2809, 3180, 3286, 3720, 3816, 4770, 4929, 5580, 5618, 6360, 6572, 8215, 8427, 9540, 9858, 11160, 11236, 13144, 14045, 14787, 16430, 16854, 19080, 19716, 22472, 24645, 25281, 28090, 29574, 32860, 33708, 39432, 42135, 49290, 50562, 56180, 59148, 65720, 67416, 73935, 84270, 87079, 98580, 101124, 112360, 118296, 126405, 147870, 168540, 174158, 197160, 202248, 252810, 261237, 295740, 337080, 348316, 435395, 505620, 522474, 591480, 696632, 783711, 870790, 1011240, 1044948, 1306185, 1567422, 1741580, 2089896, 2612370, 3134844, 3483160, 3918555, 5224740, 6269688, 7837110, 10449480, 15674220, 31348440]

約数ペア:

[(1, 31348440), (2, 15674220), (3, 10449480), (4, 7837110), (5, 6269688), (6, 5224740), (8, 3918555), (9, 3483160), (10, 3134844), (12, 2612370), (15, 2089896), (18, 1741580), (20, 1567422), (24, 1306185), (30, 1044948), (31, 1011240), (36, 870790), (40, 783711), (45, 696632), (53, 591480), (60, 522474), (62, 505620), (72, 435395), (90, 348316), (93, 337080), (106, 295740), (120, 261237), (124, 252810), (155, 202248), (159, 197160), (180, 174158), (186, 168540), (212, 147870), (248, 126405), (265, 118296), (279, 112360), (310, 101124), (318, 98580), (360, 87079), (372, 84270), (424, 73935), (465, 67416), (477, 65720), (530, 59148), (558, 56180), (620, 50562), (636, 49290), (744, 42135), (795, 39432), (930, 33708), (954, 32860), (1060, 29574), (1116, 28090), (1240, 25281), (1272, 24645), (1395, 22472), (1590, 19716), (1643, 19080), (1860, 16854), (1908, 16430), (2120, 14787), (2232, 14045), (2385, 13144), (2790, 11236), (2809, 11160), (3180, 9858), (3286, 9540), (3720, 8427), (3816, 8215), (4770, 6572), (4929, 6360), (5580, 5618)]