172137888

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2051

約数の個数: 144

約数和(自身を含む): 550368000

約数和(自身を除く): 378230112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 32, 36, 39, 46, 48, 52, 69, 72, 78, 92, 96, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 288, 299, 312, 368, 414, 416, 468, 552, 598, 624, 736, 828, 897, 936, 1104, 1196, 1248, 1656, 1794, 1872, 1999, 2208, 2392, 2691, 3312, 3588, 3744, 3998, 4784, 5382, 5997, 6624, 7176, 7996, 9568, 10764, 11994, 14352, 15992, 17991, 21528, 23988, 25987, 28704, 31984, 35982, 43056, 45977, 47976, 51974, 63968, 71964, 77961, 86112, 91954, 95952, 103948, 137931, 143928, 155922, 183908, 191904, 207896, 233883, 275862, 287856, 311844, 367816, 413793, 415792, 467766, 551724, 575712, 597701, 623688, 735632, 827586, 831584, 935532, 1103448, 1195402, 1247376, 1471264, 1655172, 1793103, 1871064, 2206896, 2390804, 2494752, 3310344, 3586206, 3742128, 4413792, 4781608, 5379309, 6620688, 7172412, 7484256, 9563216, 10758618, 13241376, 14344824, 19126432, 21517236, 28689648, 43034472, 57379296, 86068944, 172137888]

約数ペア:

[(1, 172137888), (2, 86068944), (3, 57379296), (4, 43034472), (6, 28689648), (8, 21517236), (9, 19126432), (12, 14344824), (13, 13241376), (16, 10758618), (18, 9563216), (23, 7484256), (24, 7172412), (26, 6620688), (32, 5379309), (36, 4781608), (39, 4413792), (46, 3742128), (48, 3586206), (52, 3310344), (69, 2494752), (72, 2390804), (78, 2206896), (92, 1871064), (96, 1793103), (104, 1655172), (117, 1471264), (138, 1247376), (144, 1195402), (156, 1103448), (184, 935532), (207, 831584), (208, 827586), (234, 735632), (276, 623688), (288, 597701), (299, 575712), (312, 551724), (368, 467766), (414, 415792), (416, 413793), (468, 367816), (552, 311844), (598, 287856), (624, 275862), (736, 233883), (828, 207896), (897, 191904), (936, 183908), (1104, 155922), (1196, 143928), (1248, 137931), (1656, 103948), (1794, 95952), (1872, 91954), (1999, 86112), (2208, 77961), (2392, 71964), (2691, 63968), (3312, 51974), (3588, 47976), (3744, 45977), (3998, 43056), (4784, 35982), (5382, 31984), (5997, 28704), (6624, 25987), (7176, 23988), (7996, 21528), (9568, 17991), (10764, 15992), (11994, 14352)]