78875004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 221356800

約数和(自身を除く): 142481796

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 23, 26, 38, 39, 46, 52, 57, 69, 76, 78, 89, 92, 114, 138, 156, 169, 178, 228, 247, 267, 276, 299, 338, 356, 437, 494, 507, 534, 598, 676, 741, 874, 897, 988, 1014, 1068, 1157, 1196, 1311, 1482, 1691, 1748, 1794, 2028, 2047, 2314, 2622, 2964, 3211, 3382, 3471, 3588, 3887, 4094, 4628, 5073, 5244, 5681, 6141, 6422, 6764, 6942, 7774, 8188, 9633, 10146, 11362, 11661, 12282, 12844, 13884, 15041, 15548, 17043, 19266, 20292, 21983, 22724, 23322, 24564, 26611, 30082, 34086, 38532, 38893, 43966, 45123, 46644, 53222, 60164, 65949, 68172, 73853, 77786, 79833, 87932, 90246, 106444, 116679, 131898, 147706, 155572, 159666, 180492, 221559, 233358, 263796, 285779, 295412, 319332, 345943, 443118, 466716, 505609, 571558, 691886, 857337, 886236, 1011218, 1037829, 1143116, 1383772, 1516827, 1714674, 2022436, 2075658, 3033654, 3429348, 4151316, 6067308, 6572917, 13145834, 19718751, 26291668, 39437502, 78875004]

約数ペア:

[(1, 78875004), (2, 39437502), (3, 26291668), (4, 19718751), (6, 13145834), (12, 6572917), (13, 6067308), (19, 4151316), (23, 3429348), (26, 3033654), (38, 2075658), (39, 2022436), (46, 1714674), (52, 1516827), (57, 1383772), (69, 1143116), (76, 1037829), (78, 1011218), (89, 886236), (92, 857337), (114, 691886), (138, 571558), (156, 505609), (169, 466716), (178, 443118), (228, 345943), (247, 319332), (267, 295412), (276, 285779), (299, 263796), (338, 233358), (356, 221559), (437, 180492), (494, 159666), (507, 155572), (534, 147706), (598, 131898), (676, 116679), (741, 106444), (874, 90246), (897, 87932), (988, 79833), (1014, 77786), (1068, 73853), (1157, 68172), (1196, 65949), (1311, 60164), (1482, 53222), (1691, 46644), (1748, 45123), (1794, 43966), (2028, 38893), (2047, 38532), (2314, 34086), (2622, 30082), (2964, 26611), (3211, 24564), (3382, 23322), (3471, 22724), (3588, 21983), (3887, 20292), (4094, 19266), (4628, 17043), (5073, 15548), (5244, 15041), (5681, 13884), (6141, 12844), (6422, 12282), (6764, 11661), (6942, 11362), (7774, 10146), (8188, 9633)]