128040120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 454053600

約数和(自身を除く): 326013480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 109, 117, 120, 130, 156, 180, 195, 218, 234, 251, 260, 312, 327, 360, 390, 436, 468, 502, 520, 545, 585, 654, 753, 780, 872, 936, 981, 1004, 1090, 1170, 1255, 1308, 1417, 1506, 1560, 1635, 1962, 2008, 2180, 2259, 2340, 2510, 2616, 2834, 3012, 3263, 3270, 3765, 3924, 4251, 4360, 4518, 4680, 4905, 5020, 5668, 6024, 6526, 6540, 7085, 7530, 7848, 8502, 9036, 9789, 9810, 10040, 11295, 11336, 12753, 13052, 13080, 14170, 15060, 16315, 17004, 18072, 19578, 19620, 21255, 22590, 25506, 26104, 27359, 28340, 29367, 30120, 32630, 34008, 39156, 39240, 42510, 45180, 48945, 51012, 54718, 56680, 58734, 63765, 65260, 78312, 82077, 85020, 90360, 97890, 102024, 109436, 117468, 127530, 130520, 136795, 146835, 164154, 170040, 195780, 218872, 234936, 246231, 255060, 273590, 293670, 328308, 355667, 391560, 410385, 492462, 510120, 547180, 587340, 656616, 711334, 820770, 984924, 1067001, 1094360, 1174680, 1231155, 1422668, 1641540, 1778335, 1969848, 2134002, 2462310, 2845336, 3201003, 3283080, 3556670, 4268004, 4924620, 5335005, 6402006, 7113340, 8536008, 9849240, 10670010, 12804012, 14226680, 16005015, 21340020, 25608024, 32010030, 42680040, 64020060, 128040120]

約数ペア:

[(1, 128040120), (2, 64020060), (3, 42680040), (4, 32010030), (5, 25608024), (6, 21340020), (8, 16005015), (9, 14226680), (10, 12804012), (12, 10670010), (13, 9849240), (15, 8536008), (18, 7113340), (20, 6402006), (24, 5335005), (26, 4924620), (30, 4268004), (36, 3556670), (39, 3283080), (40, 3201003), (45, 2845336), (52, 2462310), (60, 2134002), (65, 1969848), (72, 1778335), (78, 1641540), (90, 1422668), (104, 1231155), (109, 1174680), (117, 1094360), (120, 1067001), (130, 984924), (156, 820770), (180, 711334), (195, 656616), (218, 587340), (234, 547180), (251, 510120), (260, 492462), (312, 410385), (327, 391560), (360, 355667), (390, 328308), (436, 293670), (468, 273590), (502, 255060), (520, 246231), (545, 234936), (585, 218872), (654, 195780), (753, 170040), (780, 164154), (872, 146835), (936, 136795), (981, 130520), (1004, 127530), (1090, 117468), (1170, 109436), (1255, 102024), (1308, 97890), (1417, 90360), (1506, 85020), (1560, 82077), (1635, 78312), (1962, 65260), (2008, 63765), (2180, 58734), (2259, 56680), (2340, 54718), (2510, 51012), (2616, 48945), (2834, 45180), (3012, 42510), (3263, 39240), (3270, 39156), (3765, 34008), (3924, 32630), (4251, 30120), (4360, 29367), (4518, 28340), (4680, 27359), (4905, 26104), (5020, 25506), (5668, 22590), (6024, 21255), (6526, 19620), (6540, 19578), (7085, 18072), (7530, 17004), (7848, 16315), (8502, 15060), (9036, 14170), (9789, 13080), (9810, 13052), (10040, 12753), (11295, 11336)]