31513920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1968

約数の個数: 112

約数和(自身を含む): 105997248

約数和(自身を除く): 74483328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 1931, 2040, 2720, 3264, 3862, 4080, 5440, 5793, 7724, 8160, 9655, 11586, 15448, 16320, 19310, 23172, 28965, 30896, 32827, 38620, 46344, 57930, 61792, 65654, 77240, 92688, 98481, 115860, 123584, 131308, 154480, 164135, 185376, 196962, 231720, 262616, 308960, 328270, 370752, 393924, 463440, 492405, 525232, 617920, 656540, 787848, 926880, 984810, 1050464, 1313080, 1575696, 1853760, 1969620, 2100928, 2626160, 3151392, 3939240, 5252320, 6302784, 7878480, 10504640, 15756960, 31513920]

約数ペア:

[(1, 31513920), (2, 15756960), (3, 10504640), (4, 7878480), (5, 6302784), (6, 5252320), (8, 3939240), (10, 3151392), (12, 2626160), (15, 2100928), (16, 1969620), (17, 1853760), (20, 1575696), (24, 1313080), (30, 1050464), (32, 984810), (34, 926880), (40, 787848), (48, 656540), (51, 617920), (60, 525232), (64, 492405), (68, 463440), (80, 393924), (85, 370752), (96, 328270), (102, 308960), (120, 262616), (136, 231720), (160, 196962), (170, 185376), (192, 164135), (204, 154480), (240, 131308), (255, 123584), (272, 115860), (320, 98481), (340, 92688), (408, 77240), (480, 65654), (510, 61792), (544, 57930), (680, 46344), (816, 38620), (960, 32827), (1020, 30896), (1088, 28965), (1360, 23172), (1632, 19310), (1931, 16320), (2040, 15448), (2720, 11586), (3264, 9655), (3862, 8160), (4080, 7724), (5440, 5793)]