19401600

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 66781440

約数和(自身を除く): 47379840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 47, 48, 50, 60, 64, 75, 80, 86, 94, 96, 100, 120, 128, 129, 141, 150, 160, 172, 188, 192, 200, 215, 235, 240, 258, 282, 300, 320, 344, 376, 384, 400, 430, 470, 480, 516, 564, 600, 640, 645, 688, 705, 752, 800, 860, 940, 960, 1032, 1075, 1128, 1175, 1200, 1290, 1376, 1410, 1504, 1600, 1720, 1880, 1920, 2021, 2064, 2150, 2256, 2350, 2400, 2580, 2752, 2820, 3008, 3200, 3225, 3440, 3525, 3760, 4042, 4128, 4300, 4512, 4700, 4800, 5160, 5504, 5640, 6016, 6063, 6450, 6880, 7050, 7520, 8084, 8256, 8600, 9024, 9400, 9600, 10105, 10320, 11280, 12126, 12900, 13760, 14100, 15040, 16168, 16512, 17200, 18048, 18800, 20210, 20640, 22560, 24252, 25800, 27520, 28200, 30080, 30315, 32336, 34400, 37600, 40420, 41280, 45120, 48504, 50525, 51600, 56400, 60630, 64672, 68800, 75200, 80840, 82560, 90240, 97008, 101050, 103200, 112800, 121260, 129344, 137600, 150400, 151575, 161680, 194016, 202100, 206400, 225600, 242520, 258688, 303150, 323360, 388032, 404200, 412800, 451200, 485040, 606300, 646720, 776064, 808400, 970080, 1212600, 1293440, 1616800, 1940160, 2425200, 3233600, 3880320, 4850400, 6467200, 9700800, 19401600]

約数ペア:

[(1, 19401600), (2, 9700800), (3, 6467200), (4, 4850400), (5, 3880320), (6, 3233600), (8, 2425200), (10, 1940160), (12, 1616800), (15, 1293440), (16, 1212600), (20, 970080), (24, 808400), (25, 776064), (30, 646720), (32, 606300), (40, 485040), (43, 451200), (47, 412800), (48, 404200), (50, 388032), (60, 323360), (64, 303150), (75, 258688), (80, 242520), (86, 225600), (94, 206400), (96, 202100), (100, 194016), (120, 161680), (128, 151575), (129, 150400), (141, 137600), (150, 129344), (160, 121260), (172, 112800), (188, 103200), (192, 101050), (200, 97008), (215, 90240), (235, 82560), (240, 80840), (258, 75200), (282, 68800), (300, 64672), (320, 60630), (344, 56400), (376, 51600), (384, 50525), (400, 48504), (430, 45120), (470, 41280), (480, 40420), (516, 37600), (564, 34400), (600, 32336), (640, 30315), (645, 30080), (688, 28200), (705, 27520), (752, 25800), (800, 24252), (860, 22560), (940, 20640), (960, 20210), (1032, 18800), (1075, 18048), (1128, 17200), (1175, 16512), (1200, 16168), (1290, 15040), (1376, 14100), (1410, 13760), (1504, 12900), (1600, 12126), (1720, 11280), (1880, 10320), (1920, 10105), (2021, 9600), (2064, 9400), (2150, 9024), (2256, 8600), (2350, 8256), (2400, 8084), (2580, 7520), (2752, 7050), (2820, 6880), (3008, 6450), (3200, 6063), (3225, 6016), (3440, 5640), (3525, 5504), (3760, 5160), (4042, 4800), (4128, 4700), (4300, 4512)]