157302520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8999}}^1$

素因数の和:9052

約数の個数: 64

約数和(自身を含む): 388800000

約数和(自身を除く): 231497480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 8740, 8999, 17480, 17998, 35996, 44995, 71992, 89990, 170981, 179980, 206977, 341962, 359960, 413954, 683924, 827908, 854905, 1034885, 1367848, 1655816, 1709810, 2069770, 3419620, 3932563, 4139540, 6839240, 7865126, 8279080, 15730252, 19662815, 31460504, 39325630, 78651260, 157302520]

約数ペア:

[(1, 157302520), (2, 78651260), (4, 39325630), (5, 31460504), (8, 19662815), (10, 15730252), (19, 8279080), (20, 7865126), (23, 6839240), (38, 4139540), (40, 3932563), (46, 3419620), (76, 2069770), (92, 1709810), (95, 1655816), (115, 1367848), (152, 1034885), (184, 854905), (190, 827908), (230, 683924), (380, 413954), (437, 359960), (460, 341962), (760, 206977), (874, 179980), (920, 170981), (1748, 89990), (2185, 71992), (3496, 44995), (4370, 35996), (8740, 17998), (8999, 17480)]