42720720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 160

約数和(自身を含む): 154275840

約数和(自身を除く): 111555120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 59, 60, 70, 80, 84, 105, 112, 118, 120, 140, 168, 177, 210, 236, 240, 280, 295, 336, 354, 413, 420, 431, 472, 560, 590, 708, 826, 840, 862, 885, 944, 1180, 1239, 1293, 1416, 1652, 1680, 1724, 1770, 2065, 2155, 2360, 2478, 2586, 2832, 3017, 3304, 3448, 3540, 4130, 4310, 4720, 4956, 5172, 6034, 6195, 6465, 6608, 6896, 7080, 8260, 8620, 9051, 9912, 10344, 12068, 12390, 12930, 14160, 15085, 16520, 17240, 18102, 19824, 20688, 24136, 24780, 25429, 25860, 30170, 33040, 34480, 36204, 45255, 48272, 49560, 50858, 51720, 60340, 72408, 76287, 90510, 99120, 101716, 103440, 120680, 127145, 144816, 152574, 178003, 181020, 203432, 241360, 254290, 305148, 356006, 362040, 381435, 406864, 508580, 534009, 610296, 712012, 724080, 762870, 890015, 1017160, 1068018, 1220592, 1424024, 1525740, 1780030, 2034320, 2136036, 2670045, 2848048, 3051480, 3560060, 4272072, 5340090, 6102960, 7120120, 8544144, 10680180, 14240240, 21360360, 42720720]

約数ペア:

[(1, 42720720), (2, 21360360), (3, 14240240), (4, 10680180), (5, 8544144), (6, 7120120), (7, 6102960), (8, 5340090), (10, 4272072), (12, 3560060), (14, 3051480), (15, 2848048), (16, 2670045), (20, 2136036), (21, 2034320), (24, 1780030), (28, 1525740), (30, 1424024), (35, 1220592), (40, 1068018), (42, 1017160), (48, 890015), (56, 762870), (59, 724080), (60, 712012), (70, 610296), (80, 534009), (84, 508580), (105, 406864), (112, 381435), (118, 362040), (120, 356006), (140, 305148), (168, 254290), (177, 241360), (210, 203432), (236, 181020), (240, 178003), (280, 152574), (295, 144816), (336, 127145), (354, 120680), (413, 103440), (420, 101716), (431, 99120), (472, 90510), (560, 76287), (590, 72408), (708, 60340), (826, 51720), (840, 50858), (862, 49560), (885, 48272), (944, 45255), (1180, 36204), (1239, 34480), (1293, 33040), (1416, 30170), (1652, 25860), (1680, 25429), (1724, 24780), (1770, 24136), (2065, 20688), (2155, 19824), (2360, 18102), (2478, 17240), (2586, 16520), (2832, 15085), (3017, 14160), (3304, 12930), (3448, 12390), (3540, 12068), (4130, 10344), (4310, 9912), (4720, 9051), (4956, 8620), (5172, 8260), (6034, 7080), (6195, 6896), (6465, 6608)]