1281114240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:707

約数の個数: 256

約数和(自身を含む): 4700160000

約数和(自身を除く): 3419045760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 199, 210, 224, 240, 280, 320, 336, 384, 398, 420, 448, 479, 480, 560, 597, 640, 672, 796, 840, 896, 958, 960, 995, 1120, 1194, 1344, 1393, 1437, 1592, 1680, 1916, 1920, 1990, 2240, 2388, 2395, 2688, 2786, 2874, 2985, 3184, 3353, 3360, 3832, 3980, 4179, 4480, 4776, 4790, 5572, 5748, 5970, 6368, 6706, 6720, 6965, 7185, 7664, 7960, 8358, 9552, 9580, 10059, 11144, 11496, 11940, 12736, 13412, 13440, 13930, 14370, 15328, 15920, 16716, 16765, 19104, 19160, 20118, 20895, 22288, 22992, 23880, 25472, 26824, 27860, 28740, 30656, 31840, 33432, 33530, 38208, 38320, 40236, 41790, 44576, 45984, 47760, 50295, 53648, 55720, 57480, 61312, 63680, 66864, 67060, 76416, 76640, 80472, 83580, 89152, 91968, 95321, 95520, 100590, 107296, 111440, 114960, 127360, 133728, 134120, 153280, 160944, 167160, 178304, 183936, 190642, 191040, 201180, 214592, 222880, 229920, 267456, 268240, 285963, 306560, 321888, 334320, 381284, 382080, 402360, 429184, 445760, 459840, 476605, 534912, 536480, 571926, 643776, 667247, 668640, 762568, 804720, 891520, 919680, 953210, 1072960, 1143852, 1287552, 1334494, 1337280, 1429815, 1525136, 1609440, 1906420, 2001741, 2145920, 2287704, 2668988, 2674560, 2859630, 3050272, 3218880, 3336235, 3812840, 4003482, 4575408, 5337976, 5719260, 6100544, 6437760, 6672470, 7625680, 8006964, 9150816, 10008705, 10675952, 11438520, 12201088, 13344940, 15251360, 16013928, 18301632, 20017410, 21351904, 22877040, 26689880, 30502720, 32027856, 36603264, 40034820, 42703808, 45754080, 53379760, 61005440, 64055712, 80069640, 85407616, 91508160, 106759520, 128111424, 160139280, 183016320, 213519040, 256222848, 320278560, 427038080, 640557120, 1281114240]

約数ペア:

[(1, 1281114240), (2, 640557120), (3, 427038080), (4, 320278560), (5, 256222848), (6, 213519040), (7, 183016320), (8, 160139280), (10, 128111424), (12, 106759520), (14, 91508160), (15, 85407616), (16, 80069640), (20, 64055712), (21, 61005440), (24, 53379760), (28, 45754080), (30, 42703808), (32, 40034820), (35, 36603264), (40, 32027856), (42, 30502720), (48, 26689880), (56, 22877040), (60, 21351904), (64, 20017410), (70, 18301632), (80, 16013928), (84, 15251360), (96, 13344940), (105, 12201088), (112, 11438520), (120, 10675952), (128, 10008705), (140, 9150816), (160, 8006964), (168, 7625680), (192, 6672470), (199, 6437760), (210, 6100544), (224, 5719260), (240, 5337976), (280, 4575408), (320, 4003482), (336, 3812840), (384, 3336235), (398, 3218880), (420, 3050272), (448, 2859630), (479, 2674560), (480, 2668988), (560, 2287704), (597, 2145920), (640, 2001741), (672, 1906420), (796, 1609440), (840, 1525136), (896, 1429815), (958, 1337280), (960, 1334494), (995, 1287552), (1120, 1143852), (1194, 1072960), (1344, 953210), (1393, 919680), (1437, 891520), (1592, 804720), (1680, 762568), (1916, 668640), (1920, 667247), (1990, 643776), (2240, 571926), (2388, 536480), (2395, 534912), (2688, 476605), (2786, 459840), (2874, 445760), (2985, 429184), (3184, 402360), (3353, 382080), (3360, 381284), (3832, 334320), (3980, 321888), (4179, 306560), (4480, 285963), (4776, 268240), (4790, 267456), (5572, 229920), (5748, 222880), (5970, 214592), (6368, 201180), (6706, 191040), (6720, 190642), (6965, 183936), (7185, 178304), (7664, 167160), (7960, 160944), (8358, 153280), (9552, 134120), (9580, 133728), (10059, 127360), (11144, 114960), (11496, 111440), (11940, 107296), (12736, 100590), (13412, 95520), (13440, 95321), (13930, 91968), (14370, 89152), (15328, 83580), (15920, 80472), (16716, 76640), (16765, 76416), (19104, 67060), (19160, 66864), (20118, 63680), (20895, 61312), (22288, 57480), (22992, 55720), (23880, 53648), (25472, 50295), (26824, 47760), (27860, 45984), (28740, 44576), (30656, 41790), (31840, 40236), (33432, 38320), (33530, 38208)]