78236640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54331}}^1$

素因数の和:54352

約数の個数: 72

約数和(自身を含む): 266987448

約数和(自身を除く): 188750808

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, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54331, 108662, 162993, 217324, 271655, 325986, 434648, 488979, 543310, 651972, 814965, 869296, 977958, 1086620, 1303944, 1629930, 1738592, 1955916, 2173240, 2444895, 2607888, 3259860, 3911832, 4346480, 4889790, 5215776, 6519720, 7823664, 8692960, 9779580, 13039440, 15647328, 19559160, 26078880, 39118320, 78236640]

約数ペア:

[(1, 78236640), (2, 39118320), (3, 26078880), (4, 19559160), (5, 15647328), (6, 13039440), (8, 9779580), (9, 8692960), (10, 7823664), (12, 6519720), (15, 5215776), (16, 4889790), (18, 4346480), (20, 3911832), (24, 3259860), (30, 2607888), (32, 2444895), (36, 2173240), (40, 1955916), (45, 1738592), (48, 1629930), (60, 1303944), (72, 1086620), (80, 977958), (90, 869296), (96, 814965), (120, 651972), (144, 543310), (160, 488979), (180, 434648), (240, 325986), (288, 271655), (360, 217324), (480, 162993), (720, 108662), (1440, 54331)]