217141920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1493}}^1$

素因数の和:1615

約数の個数: 144

約数和(自身を含む): 748834632

約数和(自身を除く): 531692712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 101, 120, 144, 160, 180, 202, 240, 288, 303, 360, 404, 480, 505, 606, 720, 808, 909, 1010, 1212, 1440, 1493, 1515, 1616, 1818, 2020, 2424, 2986, 3030, 3232, 3636, 4040, 4479, 4545, 4848, 5972, 6060, 7272, 7465, 8080, 8958, 9090, 9696, 11944, 12120, 13437, 14544, 14930, 16160, 17916, 18180, 22395, 23888, 24240, 26874, 29088, 29860, 35832, 36360, 44790, 47776, 48480, 53748, 59720, 67185, 71664, 72720, 89580, 107496, 119440, 134370, 143328, 145440, 150793, 179160, 214992, 238880, 268740, 301586, 358320, 429984, 452379, 537480, 603172, 716640, 753965, 904758, 1074960, 1206344, 1357137, 1507930, 1809516, 2149920, 2261895, 2412688, 2714274, 3015860, 3619032, 4523790, 4825376, 5428548, 6031720, 6785685, 7238064, 9047580, 10857096, 12063440, 13571370, 14476128, 18095160, 21714192, 24126880, 27142740, 36190320, 43428384, 54285480, 72380640, 108570960, 217141920]

約数ペア:

[(1, 217141920), (2, 108570960), (3, 72380640), (4, 54285480), (5, 43428384), (6, 36190320), (8, 27142740), (9, 24126880), (10, 21714192), (12, 18095160), (15, 14476128), (16, 13571370), (18, 12063440), (20, 10857096), (24, 9047580), (30, 7238064), (32, 6785685), (36, 6031720), (40, 5428548), (45, 4825376), (48, 4523790), (60, 3619032), (72, 3015860), (80, 2714274), (90, 2412688), (96, 2261895), (101, 2149920), (120, 1809516), (144, 1507930), (160, 1357137), (180, 1206344), (202, 1074960), (240, 904758), (288, 753965), (303, 716640), (360, 603172), (404, 537480), (480, 452379), (505, 429984), (606, 358320), (720, 301586), (808, 268740), (909, 238880), (1010, 214992), (1212, 179160), (1440, 150793), (1493, 145440), (1515, 143328), (1616, 134370), (1818, 119440), (2020, 107496), (2424, 89580), (2986, 72720), (3030, 71664), (3232, 67185), (3636, 59720), (4040, 53748), (4479, 48480), (4545, 47776), (4848, 44790), (5972, 36360), (6060, 35832), (7272, 29860), (7465, 29088), (8080, 26874), (8958, 24240), (9090, 23888), (9696, 22395), (11944, 18180), (12120, 17916), (13437, 16160), (14544, 14930)]