166664680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 487226880

約数和(自身を除く): 320562200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 91, 98, 104, 124, 130, 140, 155, 182, 196, 211, 217, 245, 248, 260, 280, 310, 364, 392, 403, 422, 434, 455, 490, 520, 620, 637, 728, 806, 844, 868, 910, 980, 1055, 1085, 1240, 1274, 1477, 1519, 1612, 1688, 1736, 1820, 1960, 2015, 2110, 2170, 2548, 2743, 2821, 2954, 3038, 3185, 3224, 3640, 4030, 4220, 4340, 5096, 5486, 5642, 5908, 6076, 6370, 6541, 7385, 7595, 8060, 8440, 8680, 10339, 10972, 11284, 11816, 12152, 12740, 13082, 13715, 14105, 14770, 15190, 16120, 19201, 19747, 20678, 21944, 22568, 25480, 26164, 27430, 28210, 29540, 30380, 32705, 38402, 39494, 41356, 45787, 51695, 52328, 54860, 56420, 59080, 60760, 65410, 76804, 78988, 82712, 85033, 91574, 96005, 98735, 103390, 109720, 112840, 130820, 134407, 153608, 157976, 170066, 183148, 192010, 197470, 206780, 228935, 261640, 268814, 320509, 340132, 366296, 384020, 394940, 413560, 425165, 457870, 537628, 595231, 641018, 672035, 680264, 768040, 789880, 850330, 915740, 1075256, 1190462, 1282036, 1344070, 1602545, 1700660, 1831480, 2380924, 2564072, 2688140, 2976155, 3205090, 3401320, 4166617, 4761848, 5376280, 5952310, 6410180, 8333234, 11904620, 12820360, 16666468, 20833085, 23809240, 33332936, 41666170, 83332340, 166664680]

約数ペア:

[(1, 166664680), (2, 83332340), (4, 41666170), (5, 33332936), (7, 23809240), (8, 20833085), (10, 16666468), (13, 12820360), (14, 11904620), (20, 8333234), (26, 6410180), (28, 5952310), (31, 5376280), (35, 4761848), (40, 4166617), (49, 3401320), (52, 3205090), (56, 2976155), (62, 2688140), (65, 2564072), (70, 2380924), (91, 1831480), (98, 1700660), (104, 1602545), (124, 1344070), (130, 1282036), (140, 1190462), (155, 1075256), (182, 915740), (196, 850330), (211, 789880), (217, 768040), (245, 680264), (248, 672035), (260, 641018), (280, 595231), (310, 537628), (364, 457870), (392, 425165), (403, 413560), (422, 394940), (434, 384020), (455, 366296), (490, 340132), (520, 320509), (620, 268814), (637, 261640), (728, 228935), (806, 206780), (844, 197470), (868, 192010), (910, 183148), (980, 170066), (1055, 157976), (1085, 153608), (1240, 134407), (1274, 130820), (1477, 112840), (1519, 109720), (1612, 103390), (1688, 98735), (1736, 96005), (1820, 91574), (1960, 85033), (2015, 82712), (2110, 78988), (2170, 76804), (2548, 65410), (2743, 60760), (2821, 59080), (2954, 56420), (3038, 54860), (3185, 52328), (3224, 51695), (3640, 45787), (4030, 41356), (4220, 39494), (4340, 38402), (5096, 32705), (5486, 30380), (5642, 29540), (5908, 28210), (6076, 27430), (6370, 26164), (6541, 25480), (7385, 22568), (7595, 21944), (8060, 20678), (8440, 19747), (8680, 19201), (10339, 16120), (10972, 15190), (11284, 14770), (11816, 14105), (12152, 13715), (12740, 13082)]