195989040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20939}}^1$

素因数の和:20971

約数の個数: 120

約数和(自身を含む): 708860880

約数和(自身を除く): 512871840

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, 20939, 41878, 62817, 83756, 104695, 125634, 167512, 188451, 209390, 251268, 272207, 314085, 335024, 376902, 418780, 502536, 544414, 628170, 753804, 816621, 837560, 942255, 1005072, 1088828, 1256340, 1361035, 1507608, 1633242, 1675120, 1884510, 2177656, 2449863, 2512680, 2722070, 3015216, 3266484, 3769020, 4083105, 4355312, 4899726, 5025360, 5444140, 6532968, 7538040, 8166210, 9799452, 10888280, 12249315, 13065936, 15076080, 16332420, 19598904, 21776560, 24498630, 32664840, 39197808, 48997260, 65329680, 97994520, 195989040]

約数ペア:

[(1, 195989040), (2, 97994520), (3, 65329680), (4, 48997260), (5, 39197808), (6, 32664840), (8, 24498630), (9, 21776560), (10, 19598904), (12, 16332420), (13, 15076080), (15, 13065936), (16, 12249315), (18, 10888280), (20, 9799452), (24, 8166210), (26, 7538040), (30, 6532968), (36, 5444140), (39, 5025360), (40, 4899726), (45, 4355312), (48, 4083105), (52, 3769020), (60, 3266484), (65, 3015216), (72, 2722070), (78, 2512680), (80, 2449863), (90, 2177656), (104, 1884510), (117, 1675120), (120, 1633242), (130, 1507608), (144, 1361035), (156, 1256340), (180, 1088828), (195, 1005072), (208, 942255), (234, 837560), (240, 816621), (260, 753804), (312, 628170), (360, 544414), (390, 502536), (468, 418780), (520, 376902), (585, 335024), (624, 314085), (720, 272207), (780, 251268), (936, 209390), (1040, 188451), (1170, 167512), (1560, 125634), (1872, 104695), (2340, 83756), (3120, 62817), (4680, 41878), (9360, 20939)]