43857280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 115668000

約数和(自身を除く): 71810720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 139, 145, 160, 170, 232, 272, 278, 290, 320, 340, 464, 493, 544, 556, 580, 640, 680, 695, 928, 986, 1088, 1112, 1160, 1360, 1390, 1856, 1972, 2176, 2224, 2320, 2363, 2465, 2720, 2780, 3712, 3944, 4031, 4448, 4640, 4726, 4930, 5440, 5560, 7888, 8062, 8896, 9280, 9452, 9860, 10880, 11120, 11815, 15776, 16124, 17792, 18560, 18904, 19720, 20155, 22240, 23630, 31552, 32248, 37808, 39440, 40310, 44480, 47260, 63104, 64496, 68527, 75616, 78880, 80620, 88960, 94520, 128992, 137054, 151232, 157760, 161240, 189040, 257984, 274108, 302464, 315520, 322480, 342635, 378080, 515968, 548216, 644960, 685270, 756160, 1096432, 1289920, 1370540, 1512320, 2192864, 2579840, 2741080, 4385728, 5482160, 8771456, 10964320, 21928640, 43857280]

約数ペア:

[(1, 43857280), (2, 21928640), (4, 10964320), (5, 8771456), (8, 5482160), (10, 4385728), (16, 2741080), (17, 2579840), (20, 2192864), (29, 1512320), (32, 1370540), (34, 1289920), (40, 1096432), (58, 756160), (64, 685270), (68, 644960), (80, 548216), (85, 515968), (116, 378080), (128, 342635), (136, 322480), (139, 315520), (145, 302464), (160, 274108), (170, 257984), (232, 189040), (272, 161240), (278, 157760), (290, 151232), (320, 137054), (340, 128992), (464, 94520), (493, 88960), (544, 80620), (556, 78880), (580, 75616), (640, 68527), (680, 64496), (695, 63104), (928, 47260), (986, 44480), (1088, 40310), (1112, 39440), (1160, 37808), (1360, 32248), (1390, 31552), (1856, 23630), (1972, 22240), (2176, 20155), (2224, 19720), (2320, 18904), (2363, 18560), (2465, 17792), (2720, 16124), (2780, 15776), (3712, 11815), (3944, 11120), (4031, 10880), (4448, 9860), (4640, 9452), (4726, 9280), (4930, 8896), (5440, 8062), (5560, 7888)]