20846400

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 168

約数和(自身を含む): 70677024

約数和(自身を除く): 49830624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 64, 75, 80, 86, 96, 100, 101, 120, 129, 150, 160, 172, 192, 200, 202, 215, 240, 258, 300, 303, 320, 344, 400, 404, 430, 480, 505, 516, 600, 606, 645, 688, 800, 808, 860, 960, 1010, 1032, 1075, 1200, 1212, 1290, 1376, 1515, 1600, 1616, 1720, 2020, 2064, 2150, 2400, 2424, 2525, 2580, 2752, 3030, 3225, 3232, 3440, 4040, 4128, 4300, 4343, 4800, 4848, 5050, 5160, 6060, 6450, 6464, 6880, 7575, 8080, 8256, 8600, 8686, 9696, 10100, 10320, 12120, 12900, 13029, 13760, 15150, 16160, 17200, 17372, 19392, 20200, 20640, 21715, 24240, 25800, 26058, 30300, 32320, 34400, 34744, 40400, 41280, 43430, 48480, 51600, 52116, 60600, 65145, 68800, 69488, 80800, 86860, 96960, 103200, 104232, 108575, 121200, 130290, 138976, 161600, 173720, 206400, 208464, 217150, 242400, 260580, 277952, 325725, 347440, 416928, 434300, 484800, 521160, 651450, 694880, 833856, 868600, 1042320, 1302900, 1389760, 1737200, 2084640, 2605800, 3474400, 4169280, 5211600, 6948800, 10423200, 20846400]

約数ペア:

[(1, 20846400), (2, 10423200), (3, 6948800), (4, 5211600), (5, 4169280), (6, 3474400), (8, 2605800), (10, 2084640), (12, 1737200), (15, 1389760), (16, 1302900), (20, 1042320), (24, 868600), (25, 833856), (30, 694880), (32, 651450), (40, 521160), (43, 484800), (48, 434300), (50, 416928), (60, 347440), (64, 325725), (75, 277952), (80, 260580), (86, 242400), (96, 217150), (100, 208464), (101, 206400), (120, 173720), (129, 161600), (150, 138976), (160, 130290), (172, 121200), (192, 108575), (200, 104232), (202, 103200), (215, 96960), (240, 86860), (258, 80800), (300, 69488), (303, 68800), (320, 65145), (344, 60600), (400, 52116), (404, 51600), (430, 48480), (480, 43430), (505, 41280), (516, 40400), (600, 34744), (606, 34400), (645, 32320), (688, 30300), (800, 26058), (808, 25800), (860, 24240), (960, 21715), (1010, 20640), (1032, 20200), (1075, 19392), (1200, 17372), (1212, 17200), (1290, 16160), (1376, 15150), (1515, 13760), (1600, 13029), (1616, 12900), (1720, 12120), (2020, 10320), (2064, 10100), (2150, 9696), (2400, 8686), (2424, 8600), (2525, 8256), (2580, 8080), (2752, 7575), (3030, 6880), (3225, 6464), (3232, 6450), (3440, 6060), (4040, 5160), (4128, 5050), (4300, 4848), (4343, 4800)]