978482960

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 240

約数和(自身を含む): 2886422400

約数和(自身を除く): 1907939440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 169, 182, 196, 208, 211, 245, 260, 280, 338, 343, 364, 392, 422, 455, 490, 520, 560, 637, 676, 686, 728, 784, 844, 845, 910, 980, 1040, 1055, 1183, 1274, 1352, 1372, 1456, 1477, 1688, 1690, 1715, 1820, 1960, 2110, 2366, 2548, 2704, 2743, 2744, 2954, 3185, 3376, 3380, 3430, 3640, 3920, 4220, 4459, 4732, 5096, 5486, 5488, 5908, 5915, 6370, 6760, 6860, 7280, 7385, 8281, 8440, 8918, 9464, 10192, 10339, 10972, 11816, 11830, 12740, 13520, 13715, 13720, 14770, 16562, 16880, 17836, 18928, 19201, 20678, 21944, 22295, 23632, 23660, 25480, 27430, 27440, 29540, 33124, 35659, 35672, 38402, 41356, 41405, 43888, 44590, 47320, 50960, 51695, 54860, 57967, 59080, 66248, 71318, 71344, 72373, 76804, 82712, 82810, 89180, 94640, 96005, 103390, 109720, 115934, 118160, 132496, 134407, 142636, 144746, 153608, 165424, 165620, 178295, 178360, 192010, 206780, 219440, 231868, 249613, 268814, 285272, 289492, 289835, 307216, 331240, 356590, 356720, 361865, 384020, 413560, 463736, 499226, 537628, 570544, 578984, 579670, 662480, 672035, 713180, 723730, 768040, 827120, 927472, 940849, 998452, 1075256, 1157968, 1159340, 1248065, 1344070, 1426360, 1447460, 1536080, 1747291, 1881698, 1996904, 2150512, 2318680, 2496130, 2688140, 2852720, 2894920, 3494582, 3763396, 3993808, 4637360, 4704245, 4992260, 5376280, 5789840, 6989164, 7526792, 8736455, 9408490, 9984520, 10752560, 12231037, 13978328, 15053584, 17472910, 18816980, 19969040, 24462074, 27956656, 34945820, 37633960, 48924148, 61155185, 69891640, 75267920, 97848296, 122310370, 139783280, 195696592, 244620740, 489241480, 978482960]

約数ペア:

[(1, 978482960), (2, 489241480), (4, 244620740), (5, 195696592), (7, 139783280), (8, 122310370), (10, 97848296), (13, 75267920), (14, 69891640), (16, 61155185), (20, 48924148), (26, 37633960), (28, 34945820), (35, 27956656), (40, 24462074), (49, 19969040), (52, 18816980), (56, 17472910), (65, 15053584), (70, 13978328), (80, 12231037), (91, 10752560), (98, 9984520), (104, 9408490), (112, 8736455), (130, 7526792), (140, 6989164), (169, 5789840), (182, 5376280), (196, 4992260), (208, 4704245), (211, 4637360), (245, 3993808), (260, 3763396), (280, 3494582), (338, 2894920), (343, 2852720), (364, 2688140), (392, 2496130), (422, 2318680), (455, 2150512), (490, 1996904), (520, 1881698), (560, 1747291), (637, 1536080), (676, 1447460), (686, 1426360), (728, 1344070), (784, 1248065), (844, 1159340), (845, 1157968), (910, 1075256), (980, 998452), (1040, 940849), (1055, 927472), (1183, 827120), (1274, 768040), (1352, 723730), (1372, 713180), (1456, 672035), (1477, 662480), (1688, 579670), (1690, 578984), (1715, 570544), (1820, 537628), (1960, 499226), (2110, 463736), (2366, 413560), (2548, 384020), (2704, 361865), (2743, 356720), (2744, 356590), (2954, 331240), (3185, 307216), (3376, 289835), (3380, 289492), (3430, 285272), (3640, 268814), (3920, 249613), (4220, 231868), (4459, 219440), (4732, 206780), (5096, 192010), (5486, 178360), (5488, 178295), (5908, 165620), (5915, 165424), (6370, 153608), (6760, 144746), (6860, 142636), (7280, 134407), (7385, 132496), (8281, 118160), (8440, 115934), (8918, 109720), (9464, 103390), (10192, 96005), (10339, 94640), (10972, 89180), (11816, 82810), (11830, 82712), (12740, 76804), (13520, 72373), (13715, 71344), (13720, 71318), (14770, 66248), (16562, 59080), (16880, 57967), (17836, 54860), (18928, 51695), (19201, 50960), (20678, 47320), (21944, 44590), (22295, 43888), (23632, 41405), (23660, 41356), (25480, 38402), (27430, 35672), (27440, 35659), (29540, 33124)]