135172380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2048

約数の個数: 144

約数和(自身を含む): 459648000

約数和(自身を除く): 324475620

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, 1999, 2254, 2415, 2940, 3220, 3381, 3998, 4508, 4830, 5635, 5997, 6762, 7996, 9660, 9995, 11270, 11994, 13524, 13993, 16905, 19990, 22540, 23988, 27986, 29985, 33810, 39980, 41979, 45977, 55972, 59970, 67620, 69965, 83958, 91954, 97951, 119940, 137931, 139930, 167916, 183908, 195902, 209895, 229885, 275862, 279860, 293853, 321839, 391804, 419790, 459770, 489755, 551724, 587706, 643678, 689655, 839580, 919540, 965517, 979510, 1175412, 1287356, 1379310, 1469265, 1609195, 1931034, 1959020, 2252873, 2758620, 2938530, 3218390, 3862068, 4505746, 4827585, 5877060, 6436780, 6758619, 9011492, 9655170, 11264365, 13517238, 19310340, 22528730, 27034476, 33793095, 45057460, 67586190, 135172380]

約数ペア:

[(1, 135172380), (2, 67586190), (3, 45057460), (4, 33793095), (5, 27034476), (6, 22528730), (7, 19310340), (10, 13517238), (12, 11264365), (14, 9655170), (15, 9011492), (20, 6758619), (21, 6436780), (23, 5877060), (28, 4827585), (30, 4505746), (35, 3862068), (42, 3218390), (46, 2938530), (49, 2758620), (60, 2252873), (69, 1959020), (70, 1931034), (84, 1609195), (92, 1469265), (98, 1379310), (105, 1287356), (115, 1175412), (138, 979510), (140, 965517), (147, 919540), (161, 839580), (196, 689655), (210, 643678), (230, 587706), (245, 551724), (276, 489755), (294, 459770), (322, 419790), (345, 391804), (420, 321839), (460, 293853), (483, 279860), (490, 275862), (588, 229885), (644, 209895), (690, 195902), (735, 183908), (805, 167916), (966, 139930), (980, 137931), (1127, 119940), (1380, 97951), (1470, 91954), (1610, 83958), (1932, 69965), (1999, 67620), (2254, 59970), (2415, 55972), (2940, 45977), (3220, 41979), (3381, 39980), (3998, 33810), (4508, 29985), (4830, 27986), (5635, 23988), (5997, 22540), (6762, 19990), (7996, 16905), (9660, 13993), (9995, 13524), (11270, 11994)]