18536800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 50621760

約数和(自身を除く): 32084960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 32, 34, 40, 47, 50, 58, 68, 80, 85, 94, 100, 116, 136, 145, 160, 170, 188, 200, 232, 235, 272, 290, 340, 376, 400, 425, 464, 470, 493, 544, 580, 680, 725, 752, 799, 800, 850, 928, 940, 986, 1160, 1175, 1360, 1363, 1450, 1504, 1598, 1700, 1880, 1972, 2320, 2350, 2465, 2720, 2726, 2900, 3196, 3400, 3760, 3944, 3995, 4640, 4700, 4930, 5452, 5800, 6392, 6800, 6815, 7520, 7888, 7990, 9400, 9860, 10904, 11600, 12325, 12784, 13600, 13630, 15776, 15980, 18800, 19720, 19975, 21808, 23171, 23200, 24650, 25568, 27260, 31960, 34075, 37600, 39440, 39950, 43616, 46342, 49300, 54520, 63920, 68150, 78880, 79900, 92684, 98600, 109040, 115855, 127840, 136300, 159800, 185368, 197200, 218080, 231710, 272600, 319600, 370736, 394400, 463420, 545200, 579275, 639200, 741472, 926840, 1090400, 1158550, 1853680, 2317100, 3707360, 4634200, 9268400, 18536800]

約数ペア:

[(1, 18536800), (2, 9268400), (4, 4634200), (5, 3707360), (8, 2317100), (10, 1853680), (16, 1158550), (17, 1090400), (20, 926840), (25, 741472), (29, 639200), (32, 579275), (34, 545200), (40, 463420), (47, 394400), (50, 370736), (58, 319600), (68, 272600), (80, 231710), (85, 218080), (94, 197200), (100, 185368), (116, 159800), (136, 136300), (145, 127840), (160, 115855), (170, 109040), (188, 98600), (200, 92684), (232, 79900), (235, 78880), (272, 68150), (290, 63920), (340, 54520), (376, 49300), (400, 46342), (425, 43616), (464, 39950), (470, 39440), (493, 37600), (544, 34075), (580, 31960), (680, 27260), (725, 25568), (752, 24650), (799, 23200), (800, 23171), (850, 21808), (928, 19975), (940, 19720), (986, 18800), (1160, 15980), (1175, 15776), (1360, 13630), (1363, 13600), (1450, 12784), (1504, 12325), (1598, 11600), (1700, 10904), (1880, 9860), (1972, 9400), (2320, 7990), (2350, 7888), (2465, 7520), (2720, 6815), (2726, 6800), (2900, 6392), (3196, 5800), (3400, 5452), (3760, 4930), (3944, 4700), (3995, 4640)]