61218456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 181440000

約数和(自身を除く): 120221544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 23, 24, 26, 38, 39, 46, 52, 57, 69, 76, 78, 92, 104, 114, 138, 152, 156, 184, 228, 247, 276, 299, 312, 437, 449, 456, 494, 552, 598, 741, 874, 897, 898, 988, 1196, 1311, 1347, 1482, 1748, 1794, 1796, 1976, 2392, 2622, 2694, 2964, 3496, 3588, 3592, 5244, 5388, 5681, 5837, 5928, 7176, 8531, 10327, 10488, 10776, 11362, 11674, 17043, 17062, 17511, 20654, 22724, 23348, 25593, 30981, 34086, 34124, 35022, 41308, 45448, 46696, 51186, 61962, 68172, 68248, 70044, 82616, 102372, 110903, 123924, 134251, 136344, 140088, 196213, 204744, 221806, 247848, 268502, 332709, 392426, 402753, 443612, 537004, 588639, 665418, 784852, 805506, 887224, 1074008, 1177278, 1330836, 1569704, 1611012, 2354556, 2550769, 2661672, 3222024, 4709112, 5101538, 7652307, 10203076, 15304614, 20406152, 30609228, 61218456]

約数ペア:

[(1, 61218456), (2, 30609228), (3, 20406152), (4, 15304614), (6, 10203076), (8, 7652307), (12, 5101538), (13, 4709112), (19, 3222024), (23, 2661672), (24, 2550769), (26, 2354556), (38, 1611012), (39, 1569704), (46, 1330836), (52, 1177278), (57, 1074008), (69, 887224), (76, 805506), (78, 784852), (92, 665418), (104, 588639), (114, 537004), (138, 443612), (152, 402753), (156, 392426), (184, 332709), (228, 268502), (247, 247848), (276, 221806), (299, 204744), (312, 196213), (437, 140088), (449, 136344), (456, 134251), (494, 123924), (552, 110903), (598, 102372), (741, 82616), (874, 70044), (897, 68248), (898, 68172), (988, 61962), (1196, 51186), (1311, 46696), (1347, 45448), (1482, 41308), (1748, 35022), (1794, 34124), (1796, 34086), (1976, 30981), (2392, 25593), (2622, 23348), (2694, 22724), (2964, 20654), (3496, 17511), (3588, 17062), (3592, 17043), (5244, 11674), (5388, 11362), (5681, 10776), (5837, 10488), (5928, 10327), (7176, 8531)]