31939920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 116992512

約数和(自身を除く): 85052592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 53, 54, 60, 62, 72, 80, 81, 90, 93, 106, 108, 120, 124, 135, 144, 155, 159, 162, 180, 186, 212, 216, 240, 243, 248, 265, 270, 279, 310, 318, 324, 360, 372, 405, 424, 432, 465, 477, 486, 496, 530, 540, 558, 620, 636, 648, 720, 744, 795, 810, 837, 848, 930, 954, 972, 1060, 1080, 1116, 1215, 1240, 1272, 1296, 1395, 1431, 1488, 1590, 1620, 1643, 1674, 1860, 1908, 1944, 2120, 2160, 2232, 2385, 2430, 2480, 2511, 2544, 2790, 2862, 3180, 3240, 3286, 3348, 3720, 3816, 3888, 4185, 4240, 4293, 4464, 4770, 4860, 4929, 5022, 5580, 5724, 6360, 6480, 6572, 6696, 7155, 7440, 7533, 7632, 8215, 8370, 8586, 9540, 9720, 9858, 10044, 11160, 11448, 12555, 12720, 12879, 13144, 13392, 14310, 14787, 15066, 16430, 16740, 17172, 19080, 19440, 19716, 20088, 21465, 22320, 22896, 24645, 25110, 25758, 26288, 28620, 29574, 30132, 32860, 33480, 34344, 37665, 38160, 39432, 40176, 42930, 44361, 49290, 50220, 51516, 57240, 59148, 60264, 64395, 65720, 66960, 68688, 73935, 75330, 78864, 85860, 88722, 98580, 100440, 103032, 114480, 118296, 120528, 128790, 131440, 133083, 147870, 150660, 171720, 177444, 197160, 200880, 206064, 221805, 236592, 257580, 266166, 295740, 301320, 343440, 354888, 394320, 399249, 443610, 515160, 532332, 591480, 602640, 665415, 709776, 798498, 887220, 1030320, 1064664, 1182960, 1330830, 1596996, 1774440, 1996245, 2129328, 2661660, 3193992, 3548880, 3992490, 5323320, 6387984, 7984980, 10646640, 15969960, 31939920]

約数ペア:

[(1, 31939920), (2, 15969960), (3, 10646640), (4, 7984980), (5, 6387984), (6, 5323320), (8, 3992490), (9, 3548880), (10, 3193992), (12, 2661660), (15, 2129328), (16, 1996245), (18, 1774440), (20, 1596996), (24, 1330830), (27, 1182960), (30, 1064664), (31, 1030320), (36, 887220), (40, 798498), (45, 709776), (48, 665415), (53, 602640), (54, 591480), (60, 532332), (62, 515160), (72, 443610), (80, 399249), (81, 394320), (90, 354888), (93, 343440), (106, 301320), (108, 295740), (120, 266166), (124, 257580), (135, 236592), (144, 221805), (155, 206064), (159, 200880), (162, 197160), (180, 177444), (186, 171720), (212, 150660), (216, 147870), (240, 133083), (243, 131440), (248, 128790), (265, 120528), (270, 118296), (279, 114480), (310, 103032), (318, 100440), (324, 98580), (360, 88722), (372, 85860), (405, 78864), (424, 75330), (432, 73935), (465, 68688), (477, 66960), (486, 65720), (496, 64395), (530, 60264), (540, 59148), (558, 57240), (620, 51516), (636, 50220), (648, 49290), (720, 44361), (744, 42930), (795, 40176), (810, 39432), (837, 38160), (848, 37665), (930, 34344), (954, 33480), (972, 32860), (1060, 30132), (1080, 29574), (1116, 28620), (1215, 26288), (1240, 25758), (1272, 25110), (1296, 24645), (1395, 22896), (1431, 22320), (1488, 21465), (1590, 20088), (1620, 19716), (1643, 19440), (1674, 19080), (1860, 17172), (1908, 16740), (1944, 16430), (2120, 15066), (2160, 14787), (2232, 14310), (2385, 13392), (2430, 13144), (2480, 12879), (2511, 12720), (2544, 12555), (2790, 11448), (2862, 11160), (3180, 10044), (3240, 9858), (3286, 9720), (3348, 9540), (3720, 8586), (3816, 8370), (3888, 8215), (4185, 7632), (4240, 7533), (4293, 7440), (4464, 7155), (4770, 6696), (4860, 6572), (4929, 6480), (5022, 6360), (5580, 5724)]