661579520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1646

約数の個数: 144

約数和(自身を含む): 1850784768

約数和(自身を除く): 1189205248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 256, 280, 320, 329, 376, 448, 470, 560, 640, 658, 752, 896, 940, 1120, 1280, 1316, 1504, 1571, 1645, 1792, 1880, 2240, 2632, 3008, 3142, 3290, 3760, 4480, 5264, 6016, 6284, 6580, 7520, 7855, 8960, 10528, 10997, 12032, 12568, 13160, 15040, 15710, 21056, 21994, 25136, 26320, 30080, 31420, 42112, 43988, 50272, 52640, 54985, 60160, 62840, 73837, 84224, 87976, 100544, 105280, 109970, 125680, 147674, 175952, 201088, 210560, 219940, 251360, 295348, 351904, 369185, 402176, 421120, 439880, 502720, 516859, 590696, 703808, 738370, 879760, 1005440, 1033718, 1181392, 1407616, 1476740, 1759520, 2010880, 2067436, 2362784, 2584295, 2815232, 2953480, 3519040, 4134872, 4725568, 5168590, 5906960, 7038080, 8269744, 9451136, 10337180, 11813920, 14076160, 16539488, 18902272, 20674360, 23627840, 33078976, 41348720, 47255680, 66157952, 82697440, 94511360, 132315904, 165394880, 330789760, 661579520]

約数ペア:

[(1, 661579520), (2, 330789760), (4, 165394880), (5, 132315904), (7, 94511360), (8, 82697440), (10, 66157952), (14, 47255680), (16, 41348720), (20, 33078976), (28, 23627840), (32, 20674360), (35, 18902272), (40, 16539488), (47, 14076160), (56, 11813920), (64, 10337180), (70, 9451136), (80, 8269744), (94, 7038080), (112, 5906960), (128, 5168590), (140, 4725568), (160, 4134872), (188, 3519040), (224, 2953480), (235, 2815232), (256, 2584295), (280, 2362784), (320, 2067436), (329, 2010880), (376, 1759520), (448, 1476740), (470, 1407616), (560, 1181392), (640, 1033718), (658, 1005440), (752, 879760), (896, 738370), (940, 703808), (1120, 590696), (1280, 516859), (1316, 502720), (1504, 439880), (1571, 421120), (1645, 402176), (1792, 369185), (1880, 351904), (2240, 295348), (2632, 251360), (3008, 219940), (3142, 210560), (3290, 201088), (3760, 175952), (4480, 147674), (5264, 125680), (6016, 109970), (6284, 105280), (6580, 100544), (7520, 87976), (7855, 84224), (8960, 73837), (10528, 62840), (10997, 60160), (12032, 54985), (12568, 52640), (13160, 50272), (15040, 43988), (15710, 42112), (21056, 31420), (21994, 30080), (25136, 26320)]