491379840

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{1741}}^1$

素因数の和:1780

約数の個数: 288

約数和(自身を含む): 1974957660

約数和(自身を除く): 1483577820

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1741, 1764, 1920, 1960, 2016, 2205, 2240, 2352, 2520, 2688, 2880, 2940, 3136, 3360, 3482, 3528, 3920, 4032, 4410, 4480, 4704, 5040, 5223, 5760, 5880, 6272, 6720, 6964, 7056, 7840, 8064, 8705, 8820, 9408, 10080, 10446, 11760, 12187, 13440, 13928, 14112, 15669, 15680, 17410, 17640, 18816, 20160, 20892, 23520, 24374, 26115, 27856, 28224, 31338, 31360, 34820, 35280, 36561, 40320, 41784, 47040, 48748, 52230, 55712, 56448, 60935, 62676, 69640, 70560, 73122, 78345, 83568, 85309, 94080, 97496, 104460, 109683, 111424, 121870, 125352, 139280, 141120, 146244, 156690, 167136, 170618, 182805, 194992, 208920, 219366, 222848, 243740, 250704, 255927, 278560, 282240, 292488, 313380, 334272, 341236, 365610, 389984, 417840, 426545, 438732, 487480, 501408, 511854, 548415, 557120, 584976, 626760, 668544, 682472, 731220, 767781, 779968, 835680, 853090, 877464, 974960, 1002816, 1023708, 1096830, 1114240, 1169952, 1253520, 1279635, 1364944, 1462440, 1535562, 1559936, 1671360, 1706180, 1754928, 1949920, 2005632, 2047416, 2193660, 2339904, 2507040, 2559270, 2729888, 2924880, 3071124, 3342720, 3412360, 3509856, 3838905, 3899840, 4094832, 4387320, 4679808, 5014080, 5118540, 5459776, 5849760, 6142248, 6824720, 7019712, 7677810, 7799680, 8189664, 8774640, 10028160, 10237080, 10919552, 11699520, 12284496, 13649440, 14039424, 15355620, 16379328, 17549280, 20474160, 23399040, 24568992, 27298880, 30711240, 32758656, 35098560, 40948320, 49137984, 54597760, 61422480, 70197120, 81896640, 98275968, 122844960, 163793280, 245689920, 491379840]

約数ペア:

[(1, 491379840), (2, 245689920), (3, 163793280), (4, 122844960), (5, 98275968), (6, 81896640), (7, 70197120), (8, 61422480), (9, 54597760), (10, 49137984), (12, 40948320), (14, 35098560), (15, 32758656), (16, 30711240), (18, 27298880), (20, 24568992), (21, 23399040), (24, 20474160), (28, 17549280), (30, 16379328), (32, 15355620), (35, 14039424), (36, 13649440), (40, 12284496), (42, 11699520), (45, 10919552), (48, 10237080), (49, 10028160), (56, 8774640), (60, 8189664), (63, 7799680), (64, 7677810), (70, 7019712), (72, 6824720), (80, 6142248), (84, 5849760), (90, 5459776), (96, 5118540), (98, 5014080), (105, 4679808), (112, 4387320), (120, 4094832), (126, 3899840), (128, 3838905), (140, 3509856), (144, 3412360), (147, 3342720), (160, 3071124), (168, 2924880), (180, 2729888), (192, 2559270), (196, 2507040), (210, 2339904), (224, 2193660), (240, 2047416), (245, 2005632), (252, 1949920), (280, 1754928), (288, 1706180), (294, 1671360), (315, 1559936), (320, 1535562), (336, 1462440), (360, 1364944), (384, 1279635), (392, 1253520), (420, 1169952), (441, 1114240), (448, 1096830), (480, 1023708), (490, 1002816), (504, 974960), (560, 877464), (576, 853090), (588, 835680), (630, 779968), (640, 767781), (672, 731220), (720, 682472), (735, 668544), (784, 626760), (840, 584976), (882, 557120), (896, 548415), (960, 511854), (980, 501408), (1008, 487480), (1120, 438732), (1152, 426545), (1176, 417840), (1260, 389984), (1344, 365610), (1440, 341236), (1470, 334272), (1568, 313380), (1680, 292488), (1741, 282240), (1764, 278560), (1920, 255927), (1960, 250704), (2016, 243740), (2205, 222848), (2240, 219366), (2352, 208920), (2520, 194992), (2688, 182805), (2880, 170618), (2940, 167136), (3136, 156690), (3360, 146244), (3482, 141120), (3528, 139280), (3920, 125352), (4032, 121870), (4410, 111424), (4480, 109683), (4704, 104460), (5040, 97496), (5223, 94080), (5760, 85309), (5880, 83568), (6272, 78345), (6720, 73122), (6964, 70560), (7056, 69640), (7840, 62676), (8064, 60935), (8705, 56448), (8820, 55712), (9408, 52230), (10080, 48748), (10446, 47040), (11760, 41784), (12187, 40320), (13440, 36561), (13928, 35280), (14112, 34820), (15669, 31360), (15680, 31338), (17410, 28224), (17640, 27856), (18816, 26115), (20160, 24374), (20892, 23520)]