31116240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1879}}^1$

素因数の和:1921

約数の個数: 120

約数和(自身を含む): 109100160

約数和(自身を除く): 77983920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 1879, 2070, 2760, 3312, 3758, 4140, 5520, 5637, 7516, 8280, 9395, 11274, 15032, 16560, 16911, 18790, 22548, 28185, 30064, 33822, 37580, 43217, 45096, 56370, 67644, 75160, 84555, 86434, 90192, 112740, 129651, 135288, 150320, 169110, 172868, 216085, 225480, 259302, 270576, 338220, 345736, 388953, 432170, 450960, 518604, 648255, 676440, 691472, 777906, 864340, 1037208, 1296510, 1352880, 1555812, 1728680, 1944765, 2074416, 2593020, 3111624, 3457360, 3889530, 5186040, 6223248, 7779060, 10372080, 15558120, 31116240]

約数ペア:

[(1, 31116240), (2, 15558120), (3, 10372080), (4, 7779060), (5, 6223248), (6, 5186040), (8, 3889530), (9, 3457360), (10, 3111624), (12, 2593020), (15, 2074416), (16, 1944765), (18, 1728680), (20, 1555812), (23, 1352880), (24, 1296510), (30, 1037208), (36, 864340), (40, 777906), (45, 691472), (46, 676440), (48, 648255), (60, 518604), (69, 450960), (72, 432170), (80, 388953), (90, 345736), (92, 338220), (115, 270576), (120, 259302), (138, 225480), (144, 216085), (180, 172868), (184, 169110), (207, 150320), (230, 135288), (240, 129651), (276, 112740), (345, 90192), (360, 86434), (368, 84555), (414, 75160), (460, 67644), (552, 56370), (690, 45096), (720, 43217), (828, 37580), (920, 33822), (1035, 30064), (1104, 28185), (1380, 22548), (1656, 18790), (1840, 16911), (1879, 16560), (2070, 15032), (2760, 11274), (3312, 9395), (3758, 8280), (4140, 7516), (5520, 5637)]