68421780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:835

約数の個数: 192

約数和(自身を含む): 254177280

約数和(自身を除く): 185755500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 180, 189, 207, 210, 230, 252, 270, 276, 315, 322, 345, 378, 414, 420, 460, 483, 540, 621, 630, 644, 690, 756, 787, 805, 828, 945, 966, 1035, 1242, 1260, 1380, 1449, 1574, 1610, 1890, 1932, 2070, 2361, 2415, 2484, 2898, 3105, 3148, 3220, 3780, 3935, 4140, 4347, 4722, 4830, 5509, 5796, 6210, 7083, 7245, 7870, 8694, 9444, 9660, 11018, 11805, 12420, 14166, 14490, 15740, 16527, 17388, 18101, 21249, 21735, 22036, 23610, 27545, 28332, 28980, 33054, 35415, 36202, 42498, 43470, 47220, 49581, 54303, 55090, 66108, 70830, 72404, 82635, 84996, 86940, 90505, 99162, 106245, 108606, 110180, 126707, 141660, 148743, 162909, 165270, 181010, 198324, 212490, 217212, 247905, 253414, 271515, 297486, 325818, 330540, 362020, 380121, 424980, 488727, 495810, 506828, 543030, 594972, 633535, 651636, 743715, 760242, 814545, 977454, 991620, 1086060, 1140363, 1267070, 1487430, 1520484, 1629090, 1900605, 1954908, 2280726, 2443635, 2534140, 2974860, 3258180, 3421089, 3801210, 4561452, 4887270, 5701815, 6842178, 7602420, 9774540, 11403630, 13684356, 17105445, 22807260, 34210890, 68421780]

約数ペア:

[(1, 68421780), (2, 34210890), (3, 22807260), (4, 17105445), (5, 13684356), (6, 11403630), (7, 9774540), (9, 7602420), (10, 6842178), (12, 5701815), (14, 4887270), (15, 4561452), (18, 3801210), (20, 3421089), (21, 3258180), (23, 2974860), (27, 2534140), (28, 2443635), (30, 2280726), (35, 1954908), (36, 1900605), (42, 1629090), (45, 1520484), (46, 1487430), (54, 1267070), (60, 1140363), (63, 1086060), (69, 991620), (70, 977454), (84, 814545), (90, 760242), (92, 743715), (105, 651636), (108, 633535), (115, 594972), (126, 543030), (135, 506828), (138, 495810), (140, 488727), (161, 424980), (180, 380121), (189, 362020), (207, 330540), (210, 325818), (230, 297486), (252, 271515), (270, 253414), (276, 247905), (315, 217212), (322, 212490), (345, 198324), (378, 181010), (414, 165270), (420, 162909), (460, 148743), (483, 141660), (540, 126707), (621, 110180), (630, 108606), (644, 106245), (690, 99162), (756, 90505), (787, 86940), (805, 84996), (828, 82635), (945, 72404), (966, 70830), (1035, 66108), (1242, 55090), (1260, 54303), (1380, 49581), (1449, 47220), (1574, 43470), (1610, 42498), (1890, 36202), (1932, 35415), (2070, 33054), (2361, 28980), (2415, 28332), (2484, 27545), (2898, 23610), (3105, 22036), (3148, 21735), (3220, 21249), (3780, 18101), (3935, 17388), (4140, 16527), (4347, 15740), (4722, 14490), (4830, 14166), (5509, 12420), (5796, 11805), (6210, 11018), (7083, 9660), (7245, 9444), (7870, 8694)]