320377680

素因数分解:

$2^4\times 3^4\times 5^1\times 7^2\times {\mathrm{1009}}^1$

素因数の和:1048

約数の個数: 300

約数和(自身を含む): 1295670420

約数和(自身を除く): 975292740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 490, 504, 540, 560, 567, 588, 630, 648, 720, 735, 756, 784, 810, 840, 882, 945, 980, 1008, 1009, 1080, 1134, 1176, 1260, 1296, 1323, 1470, 1512, 1620, 1680, 1764, 1890, 1960, 2018, 2160, 2205, 2268, 2352, 2520, 2646, 2835, 2940, 3024, 3027, 3240, 3528, 3780, 3920, 3969, 4036, 4410, 4536, 5040, 5045, 5292, 5670, 5880, 6054, 6480, 6615, 7056, 7063, 7560, 7938, 8072, 8820, 9072, 9081, 10090, 10584, 11340, 11760, 12108, 13230, 14126, 15120, 15135, 15876, 16144, 17640, 18162, 19845, 20180, 21168, 21189, 22680, 24216, 26460, 27243, 28252, 30270, 31752, 35280, 35315, 36324, 39690, 40360, 42378, 45360, 45405, 48432, 49441, 52920, 54486, 56504, 60540, 63504, 63567, 70630, 72648, 79380, 80720, 81729, 84756, 90810, 98882, 105840, 105945, 108972, 113008, 121080, 127134, 136215, 141260, 145296, 148323, 158760, 163458, 169512, 181620, 190701, 197764, 211890, 217944, 242160, 247205, 254268, 272430, 282520, 296646, 317520, 317835, 326916, 339024, 363240, 381402, 395528, 408645, 423780, 435888, 444969, 494410, 508536, 544860, 565040, 572103, 593292, 635670, 653832, 726480, 741615, 762804, 791056, 817290, 847560, 889938, 953505, 988820, 1017072, 1089720, 1144206, 1186584, 1271340, 1307664, 1334907, 1483230, 1525608, 1634580, 1695120, 1779876, 1907010, 1977640, 2179440, 2224845, 2288412, 2373168, 2542680, 2669814, 2860515, 2966460, 3051216, 3269160, 3559752, 3814020, 3955280, 4004721, 4449690, 4576824, 5085360, 5339628, 5721030, 5932920, 6538320, 6674535, 7119504, 7628040, 8009442, 8899380, 9153648, 10679256, 11442060, 11865840, 13349070, 15256080, 16018884, 17798760, 20023605, 21358512, 22884120, 26698140, 32037768, 35597520, 40047210, 45768240, 53396280, 64075536, 80094420, 106792560, 160188840, 320377680]

約数ペア:

[(1, 320377680), (2, 160188840), (3, 106792560), (4, 80094420), (5, 64075536), (6, 53396280), (7, 45768240), (8, 40047210), (9, 35597520), (10, 32037768), (12, 26698140), (14, 22884120), (15, 21358512), (16, 20023605), (18, 17798760), (20, 16018884), (21, 15256080), (24, 13349070), (27, 11865840), (28, 11442060), (30, 10679256), (35, 9153648), (36, 8899380), (40, 8009442), (42, 7628040), (45, 7119504), (48, 6674535), (49, 6538320), (54, 5932920), (56, 5721030), (60, 5339628), (63, 5085360), (70, 4576824), (72, 4449690), (80, 4004721), (81, 3955280), (84, 3814020), (90, 3559752), (98, 3269160), (105, 3051216), (108, 2966460), (112, 2860515), (120, 2669814), (126, 2542680), (135, 2373168), (140, 2288412), (144, 2224845), (147, 2179440), (162, 1977640), (168, 1907010), (180, 1779876), (189, 1695120), (196, 1634580), (210, 1525608), (216, 1483230), (240, 1334907), (245, 1307664), (252, 1271340), (270, 1186584), (280, 1144206), (294, 1089720), (315, 1017072), (324, 988820), (336, 953505), (360, 889938), (378, 847560), (392, 817290), (405, 791056), (420, 762804), (432, 741615), (441, 726480), (490, 653832), (504, 635670), (540, 593292), (560, 572103), (567, 565040), (588, 544860), (630, 508536), (648, 494410), (720, 444969), (735, 435888), (756, 423780), (784, 408645), (810, 395528), (840, 381402), (882, 363240), (945, 339024), (980, 326916), (1008, 317835), (1009, 317520), (1080, 296646), (1134, 282520), (1176, 272430), (1260, 254268), (1296, 247205), (1323, 242160), (1470, 217944), (1512, 211890), (1620, 197764), (1680, 190701), (1764, 181620), (1890, 169512), (1960, 163458), (2018, 158760), (2160, 148323), (2205, 145296), (2268, 141260), (2352, 136215), (2520, 127134), (2646, 121080), (2835, 113008), (2940, 108972), (3024, 105945), (3027, 105840), (3240, 98882), (3528, 90810), (3780, 84756), (3920, 81729), (3969, 80720), (4036, 79380), (4410, 72648), (4536, 70630), (5040, 63567), (5045, 63504), (5292, 60540), (5670, 56504), (5880, 54486), (6054, 52920), (6480, 49441), (6615, 48432), (7056, 45405), (7063, 45360), (7560, 42378), (7938, 40360), (8072, 39690), (8820, 36324), (9072, 35315), (9081, 35280), (10090, 31752), (10584, 30270), (11340, 28252), (11760, 27243), (12108, 26460), (13230, 24216), (14126, 22680), (15120, 21189), (15135, 21168), (15876, 20180), (16144, 19845), (17640, 18162)]