18915989040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2020939}}^1$

素因数の和:2020971

約数の個数: 120

約数和(自身を含む): 68412860880

約数和(自身を除く): 49496871840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 2020939, 4041878, 6062817, 8083756, 10104695, 12125634, 16167512, 18188451, 20209390, 24251268, 26272207, 30314085, 32335024, 36376902, 40418780, 48502536, 52544414, 60628170, 72753804, 78816621, 80837560, 90942255, 97005072, 105088828, 121256340, 131361035, 145507608, 157633242, 161675120, 181884510, 210177656, 236449863, 242512680, 262722070, 291015216, 315266484, 363769020, 394083105, 420355312, 472899726, 485025360, 525444140, 630532968, 727538040, 788166210, 945799452, 1050888280, 1182249315, 1261065936, 1455076080, 1576332420, 1891598904, 2101776560, 2364498630, 3152664840, 3783197808, 4728997260, 6305329680, 9457994520, 18915989040]

約数ペア:

[(1, 18915989040), (2, 9457994520), (3, 6305329680), (4, 4728997260), (5, 3783197808), (6, 3152664840), (8, 2364498630), (9, 2101776560), (10, 1891598904), (12, 1576332420), (13, 1455076080), (15, 1261065936), (16, 1182249315), (18, 1050888280), (20, 945799452), (24, 788166210), (26, 727538040), (30, 630532968), (36, 525444140), (39, 485025360), (40, 472899726), (45, 420355312), (48, 394083105), (52, 363769020), (60, 315266484), (65, 291015216), (72, 262722070), (78, 242512680), (80, 236449863), (90, 210177656), (104, 181884510), (117, 161675120), (120, 157633242), (130, 145507608), (144, 131361035), (156, 121256340), (180, 105088828), (195, 97005072), (208, 90942255), (234, 80837560), (240, 78816621), (260, 72753804), (312, 60628170), (360, 52544414), (390, 48502536), (468, 40418780), (520, 36376902), (585, 32335024), (624, 30314085), (720, 26272207), (780, 24251268), (936, 20209390), (1040, 18188451), (1170, 16167512), (1560, 12125634), (1872, 10104695), (2340, 8083756), (3120, 6062817), (4680, 4041878), (9360, 2020939)]