81553080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5711}}^1$

素因数の和:5749

約数の個数: 128

約数和(自身を含む): 296110080

約数和(自身を除く): 214557000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 5711, 7140, 11422, 14280, 17133, 22844, 28555, 34266, 39977, 45688, 57110, 68532, 79954, 85665, 97087, 114220, 119931, 137064, 159908, 171330, 194174, 199885, 228440, 239862, 291261, 319816, 342660, 388348, 399770, 479724, 485435, 582522, 599655, 679609, 685320, 776696, 799540, 959448, 970870, 1165044, 1199310, 1359218, 1456305, 1599080, 1941740, 2038827, 2330088, 2398620, 2718436, 2912610, 3398045, 3883480, 4077654, 4797240, 5436872, 5825220, 6796090, 8155308, 10194135, 11650440, 13592180, 16310616, 20388270, 27184360, 40776540, 81553080]

約数ペア:

[(1, 81553080), (2, 40776540), (3, 27184360), (4, 20388270), (5, 16310616), (6, 13592180), (7, 11650440), (8, 10194135), (10, 8155308), (12, 6796090), (14, 5825220), (15, 5436872), (17, 4797240), (20, 4077654), (21, 3883480), (24, 3398045), (28, 2912610), (30, 2718436), (34, 2398620), (35, 2330088), (40, 2038827), (42, 1941740), (51, 1599080), (56, 1456305), (60, 1359218), (68, 1199310), (70, 1165044), (84, 970870), (85, 959448), (102, 799540), (105, 776696), (119, 685320), (120, 679609), (136, 599655), (140, 582522), (168, 485435), (170, 479724), (204, 399770), (210, 388348), (238, 342660), (255, 319816), (280, 291261), (340, 239862), (357, 228440), (408, 199885), (420, 194174), (476, 171330), (510, 159908), (595, 137064), (680, 119931), (714, 114220), (840, 97087), (952, 85665), (1020, 79954), (1190, 68532), (1428, 57110), (1785, 45688), (2040, 39977), (2380, 34266), (2856, 28555), (3570, 22844), (4760, 17133), (5711, 14280), (7140, 11422)]