31786440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 110592000

約数和(自身を除く): 78805560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 479, 553, 632, 790, 840, 948, 958, 1106, 1185, 1437, 1580, 1659, 1896, 1916, 2212, 2370, 2395, 2765, 2874, 3160, 3318, 3353, 3832, 4424, 4740, 4790, 5530, 5748, 6636, 6706, 7185, 8295, 9480, 9580, 10059, 11060, 11496, 13272, 13412, 14370, 16590, 16765, 19160, 20118, 22120, 26824, 28740, 33180, 33530, 37841, 40236, 50295, 57480, 66360, 67060, 75682, 80472, 100590, 113523, 134120, 151364, 189205, 201180, 227046, 264887, 302728, 378410, 402360, 454092, 529774, 567615, 756820, 794661, 908184, 1059548, 1135230, 1324435, 1513640, 1589322, 2119096, 2270460, 2648870, 3178644, 3973305, 4540920, 5297740, 6357288, 7946610, 10595480, 15893220, 31786440]

約数ペア:

[(1, 31786440), (2, 15893220), (3, 10595480), (4, 7946610), (5, 6357288), (6, 5297740), (7, 4540920), (8, 3973305), (10, 3178644), (12, 2648870), (14, 2270460), (15, 2119096), (20, 1589322), (21, 1513640), (24, 1324435), (28, 1135230), (30, 1059548), (35, 908184), (40, 794661), (42, 756820), (56, 567615), (60, 529774), (70, 454092), (79, 402360), (84, 378410), (105, 302728), (120, 264887), (140, 227046), (158, 201180), (168, 189205), (210, 151364), (237, 134120), (280, 113523), (316, 100590), (395, 80472), (420, 75682), (474, 67060), (479, 66360), (553, 57480), (632, 50295), (790, 40236), (840, 37841), (948, 33530), (958, 33180), (1106, 28740), (1185, 26824), (1437, 22120), (1580, 20118), (1659, 19160), (1896, 16765), (1916, 16590), (2212, 14370), (2370, 13412), (2395, 13272), (2765, 11496), (2874, 11060), (3160, 10059), (3318, 9580), (3353, 9480), (3832, 8295), (4424, 7185), (4740, 6706), (4790, 6636), (5530, 5748)]