31914960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1$

素因数の和:202

約数の個数: 240

約数和(自身を含む): 125075328

約数和(自身を除く): 93160368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 121, 132, 140, 154, 157, 165, 168, 176, 210, 220, 231, 240, 242, 264, 280, 308, 314, 330, 336, 363, 385, 420, 440, 462, 471, 484, 528, 560, 605, 616, 628, 660, 726, 770, 785, 840, 847, 880, 924, 942, 968, 1099, 1155, 1210, 1232, 1256, 1320, 1452, 1540, 1570, 1680, 1694, 1727, 1815, 1848, 1884, 1936, 2198, 2310, 2355, 2420, 2512, 2541, 2640, 2904, 3080, 3140, 3297, 3388, 3454, 3630, 3696, 3768, 4235, 4396, 4620, 4710, 4840, 5082, 5181, 5495, 5808, 6160, 6280, 6594, 6776, 6908, 7260, 7536, 8470, 8635, 8792, 9240, 9420, 9680, 10164, 10362, 10990, 12089, 12560, 12705, 13188, 13552, 13816, 14520, 16485, 16940, 17270, 17584, 18480, 18840, 18997, 20328, 20724, 21980, 24178, 25410, 25905, 26376, 27632, 29040, 32970, 33880, 34540, 36267, 37680, 37994, 40656, 41448, 43960, 48356, 50820, 51810, 52752, 56991, 60445, 65940, 67760, 69080, 72534, 75988, 82896, 87920, 94985, 96712, 101640, 103620, 113982, 120890, 131880, 132979, 138160, 145068, 151976, 181335, 189970, 193424, 203280, 207240, 227964, 241780, 263760, 265958, 284955, 290136, 303952, 362670, 379940, 398937, 414480, 455928, 483560, 531916, 569910, 580272, 664895, 725340, 759880, 797874, 911856, 967120, 1063832, 1139820, 1329790, 1450680, 1519760, 1595748, 1994685, 2127664, 2279640, 2659580, 2901360, 3191496, 3989370, 4559280, 5319160, 6382992, 7978740, 10638320, 15957480, 31914960]

約数ペア:

[(1, 31914960), (2, 15957480), (3, 10638320), (4, 7978740), (5, 6382992), (6, 5319160), (7, 4559280), (8, 3989370), (10, 3191496), (11, 2901360), (12, 2659580), (14, 2279640), (15, 2127664), (16, 1994685), (20, 1595748), (21, 1519760), (22, 1450680), (24, 1329790), (28, 1139820), (30, 1063832), (33, 967120), (35, 911856), (40, 797874), (42, 759880), (44, 725340), (48, 664895), (55, 580272), (56, 569910), (60, 531916), (66, 483560), (70, 455928), (77, 414480), (80, 398937), (84, 379940), (88, 362670), (105, 303952), (110, 290136), (112, 284955), (120, 265958), (121, 263760), (132, 241780), (140, 227964), (154, 207240), (157, 203280), (165, 193424), (168, 189970), (176, 181335), (210, 151976), (220, 145068), (231, 138160), (240, 132979), (242, 131880), (264, 120890), (280, 113982), (308, 103620), (314, 101640), (330, 96712), (336, 94985), (363, 87920), (385, 82896), (420, 75988), (440, 72534), (462, 69080), (471, 67760), (484, 65940), (528, 60445), (560, 56991), (605, 52752), (616, 51810), (628, 50820), (660, 48356), (726, 43960), (770, 41448), (785, 40656), (840, 37994), (847, 37680), (880, 36267), (924, 34540), (942, 33880), (968, 32970), (1099, 29040), (1155, 27632), (1210, 26376), (1232, 25905), (1256, 25410), (1320, 24178), (1452, 21980), (1540, 20724), (1570, 20328), (1680, 18997), (1694, 18840), (1727, 18480), (1815, 17584), (1848, 17270), (1884, 16940), (1936, 16485), (2198, 14520), (2310, 13816), (2355, 13552), (2420, 13188), (2512, 12705), (2541, 12560), (2640, 12089), (2904, 10990), (3080, 10362), (3140, 10164), (3297, 9680), (3388, 9420), (3454, 9240), (3630, 8792), (3696, 8635), (3768, 8470), (4235, 7536), (4396, 7260), (4620, 6908), (4710, 6776), (4840, 6594), (5082, 6280), (5181, 6160), (5495, 5808)]