256896360

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 320

約数和(自身を含む): 1011985920

約数和(自身を除く): 755089560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 54, 56, 60, 63, 70, 72, 81, 84, 90, 94, 105, 108, 120, 126, 135, 140, 141, 162, 168, 180, 188, 189, 210, 216, 235, 241, 252, 270, 280, 282, 315, 324, 329, 360, 376, 378, 405, 420, 423, 470, 482, 504, 540, 564, 567, 630, 648, 658, 705, 723, 756, 810, 840, 846, 940, 945, 964, 987, 1080, 1128, 1134, 1205, 1260, 1269, 1316, 1410, 1446, 1512, 1620, 1645, 1687, 1692, 1880, 1890, 1928, 1974, 2115, 2169, 2268, 2410, 2520, 2538, 2632, 2820, 2835, 2892, 2961, 3240, 3290, 3374, 3384, 3615, 3780, 3807, 3948, 4230, 4338, 4536, 4820, 4935, 5061, 5076, 5640, 5670, 5784, 5922, 6345, 6507, 6580, 6748, 7230, 7560, 7614, 7896, 8435, 8460, 8676, 8883, 9640, 9870, 10122, 10152, 10845, 11327, 11340, 11844, 12690, 13014, 13160, 13496, 14460, 14805, 15183, 15228, 16870, 16920, 17352, 17766, 19035, 19521, 19740, 20244, 21690, 22654, 22680, 23688, 25305, 25380, 26028, 26649, 28920, 29610, 30366, 30456, 32535, 33740, 33981, 35532, 38070, 39042, 39480, 40488, 43380, 44415, 45308, 45549, 50610, 50760, 52056, 53298, 56635, 59220, 60732, 65070, 67480, 67962, 71064, 75915, 76140, 78084, 79289, 86760, 88830, 90616, 91098, 97605, 101220, 101943, 106596, 113270, 118440, 121464, 130140, 133245, 135924, 136647, 151830, 152280, 156168, 158578, 169905, 177660, 182196, 195210, 202440, 203886, 213192, 226540, 227745, 237867, 260280, 266490, 271848, 273294, 303660, 305829, 317156, 339810, 355320, 364392, 390420, 396445, 407772, 453080, 455490, 475734, 509715, 532980, 546588, 607320, 611658, 634312, 679620, 683235, 713601, 780840, 792890, 815544, 910980, 917487, 951468, 1019430, 1065960, 1093176, 1189335, 1223316, 1359240, 1366470, 1427202, 1529145, 1585780, 1821960, 1834974, 1902936, 2038860, 2140803, 2378670, 2446632, 2732940, 2854404, 3058290, 3171560, 3568005, 3669948, 4077720, 4281606, 4587435, 4757340, 5465880, 5708808, 6116580, 6422409, 7136010, 7339896, 8563212, 9174870, 9514680, 10704015, 12233160, 12844818, 14272020, 17126424, 18349740, 21408030, 25689636, 28544040, 32112045, 36699480, 42816060, 51379272, 64224090, 85632120, 128448180, 256896360]

約数ペア:

[(1, 256896360), (2, 128448180), (3, 85632120), (4, 64224090), (5, 51379272), (6, 42816060), (7, 36699480), (8, 32112045), (9, 28544040), (10, 25689636), (12, 21408030), (14, 18349740), (15, 17126424), (18, 14272020), (20, 12844818), (21, 12233160), (24, 10704015), (27, 9514680), (28, 9174870), (30, 8563212), (35, 7339896), (36, 7136010), (40, 6422409), (42, 6116580), (45, 5708808), (47, 5465880), (54, 4757340), (56, 4587435), (60, 4281606), (63, 4077720), (70, 3669948), (72, 3568005), (81, 3171560), (84, 3058290), (90, 2854404), (94, 2732940), (105, 2446632), (108, 2378670), (120, 2140803), (126, 2038860), (135, 1902936), (140, 1834974), (141, 1821960), (162, 1585780), (168, 1529145), (180, 1427202), (188, 1366470), (189, 1359240), (210, 1223316), (216, 1189335), (235, 1093176), (241, 1065960), (252, 1019430), (270, 951468), (280, 917487), (282, 910980), (315, 815544), (324, 792890), (329, 780840), (360, 713601), (376, 683235), (378, 679620), (405, 634312), (420, 611658), (423, 607320), (470, 546588), (482, 532980), (504, 509715), (540, 475734), (564, 455490), (567, 453080), (630, 407772), (648, 396445), (658, 390420), (705, 364392), (723, 355320), (756, 339810), (810, 317156), (840, 305829), (846, 303660), (940, 273294), (945, 271848), (964, 266490), (987, 260280), (1080, 237867), (1128, 227745), (1134, 226540), (1205, 213192), (1260, 203886), (1269, 202440), (1316, 195210), (1410, 182196), (1446, 177660), (1512, 169905), (1620, 158578), (1645, 156168), (1687, 152280), (1692, 151830), (1880, 136647), (1890, 135924), (1928, 133245), (1974, 130140), (2115, 121464), (2169, 118440), (2268, 113270), (2410, 106596), (2520, 101943), (2538, 101220), (2632, 97605), (2820, 91098), (2835, 90616), (2892, 88830), (2961, 86760), (3240, 79289), (3290, 78084), (3374, 76140), (3384, 75915), (3615, 71064), (3780, 67962), (3807, 67480), (3948, 65070), (4230, 60732), (4338, 59220), (4536, 56635), (4820, 53298), (4935, 52056), (5061, 50760), (5076, 50610), (5640, 45549), (5670, 45308), (5784, 44415), (5922, 43380), (6345, 40488), (6507, 39480), (6580, 39042), (6748, 38070), (7230, 35532), (7560, 33981), (7614, 33740), (7896, 32535), (8435, 30456), (8460, 30366), (8676, 29610), (8883, 28920), (9640, 26649), (9870, 26028), (10122, 25380), (10152, 25305), (10845, 23688), (11327, 22680), (11340, 22654), (11844, 21690), (12690, 20244), (13014, 19740), (13160, 19521), (13496, 19035), (14460, 17766), (14805, 17352), (15183, 16920), (15228, 16870)]