18421477760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{20663}}^1$

素因数の和:20888

約数の個数: 128

約数和(自身を含む): 50585472000

約数和(自身を除く): 32163994240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 199, 224, 280, 320, 398, 448, 560, 640, 796, 896, 995, 1120, 1393, 1592, 1990, 2240, 2786, 3184, 3980, 4480, 5572, 6368, 6965, 7960, 11144, 12736, 13930, 15920, 20663, 22288, 25472, 27860, 31840, 41326, 44576, 55720, 63680, 82652, 89152, 103315, 111440, 127360, 144641, 165304, 178304, 206630, 222880, 289282, 330608, 413260, 445760, 578564, 661216, 723205, 826520, 891520, 1157128, 1322432, 1446410, 1653040, 2314256, 2644864, 2892820, 3306080, 4111937, 4628512, 5785640, 6612160, 8223874, 9257024, 11571280, 13224320, 16447748, 18514048, 20559685, 23142560, 28783559, 32895496, 41119370, 46285120, 57567118, 65790992, 82238740, 92570240, 115134236, 131581984, 143917795, 164477480, 230268472, 263163968, 287835590, 328954960, 460536944, 526327936, 575671180, 657909920, 921073888, 1151342360, 1315819840, 1842147776, 2302684720, 2631639680, 3684295552, 4605369440, 9210738880, 18421477760]

約数ペア:

[(1, 18421477760), (2, 9210738880), (4, 4605369440), (5, 3684295552), (7, 2631639680), (8, 2302684720), (10, 1842147776), (14, 1315819840), (16, 1151342360), (20, 921073888), (28, 657909920), (32, 575671180), (35, 526327936), (40, 460536944), (56, 328954960), (64, 287835590), (70, 263163968), (80, 230268472), (112, 164477480), (128, 143917795), (140, 131581984), (160, 115134236), (199, 92570240), (224, 82238740), (280, 65790992), (320, 57567118), (398, 46285120), (448, 41119370), (560, 32895496), (640, 28783559), (796, 23142560), (896, 20559685), (995, 18514048), (1120, 16447748), (1393, 13224320), (1592, 11571280), (1990, 9257024), (2240, 8223874), (2786, 6612160), (3184, 5785640), (3980, 4628512), (4480, 4111937), (5572, 3306080), (6368, 2892820), (6965, 2644864), (7960, 2314256), (11144, 1653040), (12736, 1446410), (13930, 1322432), (15920, 1157128), (20663, 891520), (22288, 826520), (25472, 723205), (27860, 661216), (31840, 578564), (41326, 445760), (44576, 413260), (55720, 330608), (63680, 289282), (82652, 222880), (89152, 206630), (103315, 178304), (111440, 165304), (127360, 144641)]