1386818580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{20509}}^1$

素因数の和:20558

約数の個数: 144

約数和(自身を含む): 4713690240

約数和(自身を除く): 3326871660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3381, 4508, 4830, 5635, 6762, 9660, 11270, 13524, 16905, 20509, 22540, 33810, 41018, 61527, 67620, 82036, 102545, 123054, 143563, 205090, 246108, 287126, 307635, 410180, 430689, 471707, 574252, 615270, 717815, 861378, 943414, 1004941, 1230540, 1415121, 1435630, 1722756, 1886828, 2009882, 2153445, 2358535, 2830242, 2871260, 3014823, 3301949, 4019764, 4306890, 4717070, 5024705, 5660484, 6029646, 6603898, 7075605, 8613780, 9434140, 9905847, 10049410, 12059292, 13207796, 14151210, 15074115, 16509745, 19811694, 20098820, 23113643, 28302420, 30148230, 33019490, 39623388, 46227286, 49529235, 60296460, 66038980, 69340929, 92454572, 99058470, 115568215, 138681858, 198116940, 231136430, 277363716, 346704645, 462272860, 693409290, 1386818580]

約数ペア:

[(1, 1386818580), (2, 693409290), (3, 462272860), (4, 346704645), (5, 277363716), (6, 231136430), (7, 198116940), (10, 138681858), (12, 115568215), (14, 99058470), (15, 92454572), (20, 69340929), (21, 66038980), (23, 60296460), (28, 49529235), (30, 46227286), (35, 39623388), (42, 33019490), (46, 30148230), (49, 28302420), (60, 23113643), (69, 20098820), (70, 19811694), (84, 16509745), (92, 15074115), (98, 14151210), (105, 13207796), (115, 12059292), (138, 10049410), (140, 9905847), (147, 9434140), (161, 8613780), (196, 7075605), (210, 6603898), (230, 6029646), (245, 5660484), (276, 5024705), (294, 4717070), (322, 4306890), (345, 4019764), (420, 3301949), (460, 3014823), (483, 2871260), (490, 2830242), (588, 2358535), (644, 2153445), (690, 2009882), (735, 1886828), (805, 1722756), (966, 1435630), (980, 1415121), (1127, 1230540), (1380, 1004941), (1470, 943414), (1610, 861378), (1932, 717815), (2254, 615270), (2415, 574252), (2940, 471707), (3220, 430689), (3381, 410180), (4508, 307635), (4830, 287126), (5635, 246108), (6762, 205090), (9660, 143563), (11270, 123054), (13524, 102545), (16905, 82036), (20509, 67620), (22540, 61527), (33810, 41018)]