255866240

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 192

約数和(自身を含む): 732564000

約数和(自身を除く): 476697760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 128, 140, 160, 164, 196, 199, 205, 224, 245, 280, 287, 320, 328, 392, 398, 410, 448, 490, 560, 574, 640, 656, 784, 796, 820, 896, 980, 995, 1120, 1148, 1312, 1393, 1435, 1568, 1592, 1640, 1960, 1990, 2009, 2240, 2296, 2624, 2786, 2870, 3136, 3184, 3280, 3920, 3980, 4018, 4480, 4592, 5248, 5572, 5740, 6272, 6368, 6560, 6965, 7840, 7960, 8036, 8159, 9184, 9751, 10045, 11144, 11480, 12736, 13120, 13930, 15680, 15920, 16072, 16318, 18368, 19502, 20090, 22288, 22960, 25472, 26240, 27860, 31360, 31840, 32144, 32636, 36736, 39004, 40180, 40795, 44576, 45920, 48755, 55720, 57113, 63680, 64288, 65272, 78008, 80360, 81590, 89152, 91840, 97510, 111440, 114226, 127360, 128576, 130544, 156016, 160720, 163180, 178304, 183680, 195020, 222880, 228452, 257152, 261088, 285565, 312032, 321440, 326360, 390040, 399791, 445760, 456904, 522176, 571130, 624064, 642880, 652720, 780080, 799582, 891520, 913808, 1044352, 1142260, 1248128, 1285760, 1305440, 1560160, 1599164, 1827616, 1998955, 2284520, 2610880, 3120320, 3198328, 3655232, 3997910, 4569040, 5221760, 6240640, 6396656, 7310464, 7995820, 9138080, 12793312, 15991640, 18276160, 25586624, 31983280, 36552320, 51173248, 63966560, 127933120, 255866240]

約数ペア:

[(1, 255866240), (2, 127933120), (4, 63966560), (5, 51173248), (7, 36552320), (8, 31983280), (10, 25586624), (14, 18276160), (16, 15991640), (20, 12793312), (28, 9138080), (32, 7995820), (35, 7310464), (40, 6396656), (41, 6240640), (49, 5221760), (56, 4569040), (64, 3997910), (70, 3655232), (80, 3198328), (82, 3120320), (98, 2610880), (112, 2284520), (128, 1998955), (140, 1827616), (160, 1599164), (164, 1560160), (196, 1305440), (199, 1285760), (205, 1248128), (224, 1142260), (245, 1044352), (280, 913808), (287, 891520), (320, 799582), (328, 780080), (392, 652720), (398, 642880), (410, 624064), (448, 571130), (490, 522176), (560, 456904), (574, 445760), (640, 399791), (656, 390040), (784, 326360), (796, 321440), (820, 312032), (896, 285565), (980, 261088), (995, 257152), (1120, 228452), (1148, 222880), (1312, 195020), (1393, 183680), (1435, 178304), (1568, 163180), (1592, 160720), (1640, 156016), (1960, 130544), (1990, 128576), (2009, 127360), (2240, 114226), (2296, 111440), (2624, 97510), (2786, 91840), (2870, 89152), (3136, 81590), (3184, 80360), (3280, 78008), (3920, 65272), (3980, 64288), (4018, 63680), (4480, 57113), (4592, 55720), (5248, 48755), (5572, 45920), (5740, 44576), (6272, 40795), (6368, 40180), (6560, 39004), (6965, 36736), (7840, 32636), (7960, 32144), (8036, 31840), (8159, 31360), (9184, 27860), (9751, 26240), (10045, 25472), (11144, 22960), (11480, 22288), (12736, 20090), (13120, 19502), (13930, 18368), (15680, 16318), (15920, 16072)]