164926720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 459164160

約数和(自身を除く): 294237440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 233, 256, 280, 316, 320, 395, 448, 466, 553, 560, 632, 640, 790, 896, 932, 1106, 1120, 1165, 1264, 1280, 1580, 1631, 1792, 1864, 2212, 2240, 2330, 2528, 2765, 3160, 3262, 3728, 4424, 4480, 4660, 5056, 5530, 6320, 6524, 7456, 8155, 8848, 8960, 9320, 10112, 11060, 12640, 13048, 14912, 16310, 17696, 18407, 18640, 20224, 22120, 25280, 26096, 29824, 32620, 35392, 36814, 37280, 44240, 50560, 52192, 59648, 65240, 70784, 73628, 74560, 88480, 92035, 101120, 104384, 128849, 130480, 141568, 147256, 149120, 176960, 184070, 208768, 257698, 260960, 294512, 298240, 353920, 368140, 417536, 515396, 521920, 589024, 644245, 707840, 736280, 1030792, 1043840, 1178048, 1288490, 1472560, 2061584, 2087680, 2356096, 2576980, 2945120, 4123168, 4712192, 5153960, 5890240, 8246336, 10307920, 11780480, 16492672, 20615840, 23560960, 32985344, 41231680, 82463360, 164926720]

約数ペア:

[(1, 164926720), (2, 82463360), (4, 41231680), (5, 32985344), (7, 23560960), (8, 20615840), (10, 16492672), (14, 11780480), (16, 10307920), (20, 8246336), (28, 5890240), (32, 5153960), (35, 4712192), (40, 4123168), (56, 2945120), (64, 2576980), (70, 2356096), (79, 2087680), (80, 2061584), (112, 1472560), (128, 1288490), (140, 1178048), (158, 1043840), (160, 1030792), (224, 736280), (233, 707840), (256, 644245), (280, 589024), (316, 521920), (320, 515396), (395, 417536), (448, 368140), (466, 353920), (553, 298240), (560, 294512), (632, 260960), (640, 257698), (790, 208768), (896, 184070), (932, 176960), (1106, 149120), (1120, 147256), (1165, 141568), (1264, 130480), (1280, 128849), (1580, 104384), (1631, 101120), (1792, 92035), (1864, 88480), (2212, 74560), (2240, 73628), (2330, 70784), (2528, 65240), (2765, 59648), (3160, 52192), (3262, 50560), (3728, 44240), (4424, 37280), (4480, 36814), (4660, 35392), (5056, 32620), (5530, 29824), (6320, 26096), (6524, 25280), (7456, 22120), (8155, 20224), (8848, 18640), (8960, 18407), (9320, 17696), (10112, 16310), (11060, 14912), (12640, 13048)]