680366960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 240

約数和(自身を含む): 2018620800

約数和(自身を除く): 1338253840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 79, 80, 91, 98, 104, 112, 130, 140, 158, 169, 182, 196, 208, 245, 260, 280, 316, 338, 364, 392, 395, 455, 490, 520, 553, 560, 632, 637, 676, 728, 784, 790, 845, 910, 980, 1027, 1040, 1106, 1183, 1264, 1274, 1352, 1456, 1580, 1690, 1820, 1960, 2054, 2197, 2212, 2366, 2548, 2704, 2765, 3160, 3185, 3380, 3640, 3871, 3920, 4108, 4394, 4424, 4732, 5096, 5135, 5530, 5915, 6320, 6370, 6760, 7189, 7280, 7742, 8216, 8281, 8788, 8848, 9464, 10192, 10270, 10985, 11060, 11830, 12740, 13351, 13520, 14378, 15379, 15484, 16432, 16562, 17576, 18928, 19355, 20540, 21970, 22120, 23660, 25480, 26702, 28756, 30758, 30968, 33124, 35152, 35945, 38710, 41080, 41405, 43940, 44240, 47320, 50323, 50960, 53404, 57512, 61516, 61936, 66248, 66755, 71890, 76895, 77420, 82160, 82810, 87880, 93457, 94640, 100646, 106808, 107653, 115024, 123032, 132496, 133510, 143780, 153790, 154840, 165620, 173563, 175760, 186914, 201292, 213616, 215306, 246064, 251615, 267020, 287560, 307580, 309680, 331240, 347126, 373828, 402584, 430612, 467285, 503230, 534040, 538265, 575120, 615160, 654199, 662480, 694252, 747656, 805168, 861224, 867815, 934570, 1006460, 1068080, 1076530, 1214941, 1230320, 1308398, 1388504, 1495312, 1722448, 1735630, 1869140, 2012920, 2153060, 2429882, 2616796, 2777008, 3270995, 3471260, 3738280, 4025840, 4306120, 4859764, 5233592, 6074705, 6541990, 6942520, 7476560, 8504587, 8612240, 9719528, 10467184, 12149410, 13083980, 13885040, 17009174, 19439056, 24298820, 26167960, 34018348, 42522935, 48597640, 52335920, 68036696, 85045870, 97195280, 136073392, 170091740, 340183480, 680366960]

約数ペア:

[(1, 680366960), (2, 340183480), (4, 170091740), (5, 136073392), (7, 97195280), (8, 85045870), (10, 68036696), (13, 52335920), (14, 48597640), (16, 42522935), (20, 34018348), (26, 26167960), (28, 24298820), (35, 19439056), (40, 17009174), (49, 13885040), (52, 13083980), (56, 12149410), (65, 10467184), (70, 9719528), (79, 8612240), (80, 8504587), (91, 7476560), (98, 6942520), (104, 6541990), (112, 6074705), (130, 5233592), (140, 4859764), (158, 4306120), (169, 4025840), (182, 3738280), (196, 3471260), (208, 3270995), (245, 2777008), (260, 2616796), (280, 2429882), (316, 2153060), (338, 2012920), (364, 1869140), (392, 1735630), (395, 1722448), (455, 1495312), (490, 1388504), (520, 1308398), (553, 1230320), (560, 1214941), (632, 1076530), (637, 1068080), (676, 1006460), (728, 934570), (784, 867815), (790, 861224), (845, 805168), (910, 747656), (980, 694252), (1027, 662480), (1040, 654199), (1106, 615160), (1183, 575120), (1264, 538265), (1274, 534040), (1352, 503230), (1456, 467285), (1580, 430612), (1690, 402584), (1820, 373828), (1960, 347126), (2054, 331240), (2197, 309680), (2212, 307580), (2366, 287560), (2548, 267020), (2704, 251615), (2765, 246064), (3160, 215306), (3185, 213616), (3380, 201292), (3640, 186914), (3871, 175760), (3920, 173563), (4108, 165620), (4394, 154840), (4424, 153790), (4732, 143780), (5096, 133510), (5135, 132496), (5530, 123032), (5915, 115024), (6320, 107653), (6370, 106808), (6760, 100646), (7189, 94640), (7280, 93457), (7742, 87880), (8216, 82810), (8281, 82160), (8788, 77420), (8848, 76895), (9464, 71890), (10192, 66755), (10270, 66248), (10985, 61936), (11060, 61516), (11830, 57512), (12740, 53404), (13351, 50960), (13520, 50323), (14378, 47320), (15379, 44240), (15484, 43940), (16432, 41405), (16562, 41080), (17576, 38710), (18928, 35945), (19355, 35152), (20540, 33124), (21970, 30968), (22120, 30758), (23660, 28756), (25480, 26702)]