19845360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:703

約数の個数: 120

約数和(自身を含む): 68303664

約数和(自身を除く): 48458304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 641, 645, 688, 720, 774, 860, 1032, 1282, 1290, 1548, 1720, 1923, 1935, 2064, 2564, 2580, 3096, 3205, 3440, 3846, 3870, 5128, 5160, 5769, 6192, 6410, 7692, 7740, 9615, 10256, 10320, 11538, 12820, 15384, 15480, 19230, 23076, 25640, 27563, 28845, 30768, 30960, 38460, 46152, 51280, 55126, 57690, 76920, 82689, 92304, 110252, 115380, 137815, 153840, 165378, 220504, 230760, 248067, 275630, 330756, 413445, 441008, 461520, 496134, 551260, 661512, 826890, 992268, 1102520, 1240335, 1323024, 1653780, 1984536, 2205040, 2480670, 3307560, 3969072, 4961340, 6615120, 9922680, 19845360]

約数ペア:

[(1, 19845360), (2, 9922680), (3, 6615120), (4, 4961340), (5, 3969072), (6, 3307560), (8, 2480670), (9, 2205040), (10, 1984536), (12, 1653780), (15, 1323024), (16, 1240335), (18, 1102520), (20, 992268), (24, 826890), (30, 661512), (36, 551260), (40, 496134), (43, 461520), (45, 441008), (48, 413445), (60, 330756), (72, 275630), (80, 248067), (86, 230760), (90, 220504), (120, 165378), (129, 153840), (144, 137815), (172, 115380), (180, 110252), (215, 92304), (240, 82689), (258, 76920), (344, 57690), (360, 55126), (387, 51280), (430, 46152), (516, 38460), (641, 30960), (645, 30768), (688, 28845), (720, 27563), (774, 25640), (860, 23076), (1032, 19230), (1282, 15480), (1290, 15384), (1548, 12820), (1720, 11538), (1923, 10320), (1935, 10256), (2064, 9615), (2564, 7740), (2580, 7692), (3096, 6410), (3205, 6192), (3440, 5769), (3846, 5160), (3870, 5128)]