319900160

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 160

約数和(自身を含む): 824947200

約数和(自身を除く): 505047040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 139, 145, 155, 160, 232, 248, 256, 278, 290, 310, 320, 464, 496, 512, 556, 580, 620, 640, 695, 899, 928, 992, 1112, 1160, 1240, 1280, 1390, 1798, 1856, 1984, 2224, 2320, 2480, 2560, 2780, 3596, 3712, 3968, 4031, 4309, 4448, 4495, 4640, 4960, 5560, 7192, 7424, 7936, 8062, 8618, 8896, 8990, 9280, 9920, 11120, 14384, 14848, 15872, 16124, 17236, 17792, 17980, 18560, 19840, 20155, 21545, 22240, 28768, 32248, 34472, 35584, 35960, 37120, 39680, 40310, 43090, 44480, 57536, 64496, 68944, 71168, 71920, 74240, 79360, 80620, 86180, 88960, 115072, 124961, 128992, 137888, 143840, 161240, 172360, 177920, 230144, 249922, 257984, 275776, 287680, 322480, 344720, 355840, 460288, 499844, 515968, 551552, 575360, 624805, 644960, 689440, 999688, 1031936, 1103104, 1150720, 1249610, 1289920, 1378880, 1999376, 2063872, 2206208, 2301440, 2499220, 2579840, 2757760, 3998752, 4998440, 5159680, 5515520, 7997504, 9996880, 10319360, 11031040, 15995008, 19993760, 31990016, 39987520, 63980032, 79975040, 159950080, 319900160]

約数ペア:

[(1, 319900160), (2, 159950080), (4, 79975040), (5, 63980032), (8, 39987520), (10, 31990016), (16, 19993760), (20, 15995008), (29, 11031040), (31, 10319360), (32, 9996880), (40, 7997504), (58, 5515520), (62, 5159680), (64, 4998440), (80, 3998752), (116, 2757760), (124, 2579840), (128, 2499220), (139, 2301440), (145, 2206208), (155, 2063872), (160, 1999376), (232, 1378880), (248, 1289920), (256, 1249610), (278, 1150720), (290, 1103104), (310, 1031936), (320, 999688), (464, 689440), (496, 644960), (512, 624805), (556, 575360), (580, 551552), (620, 515968), (640, 499844), (695, 460288), (899, 355840), (928, 344720), (992, 322480), (1112, 287680), (1160, 275776), (1240, 257984), (1280, 249922), (1390, 230144), (1798, 177920), (1856, 172360), (1984, 161240), (2224, 143840), (2320, 137888), (2480, 128992), (2560, 124961), (2780, 115072), (3596, 88960), (3712, 86180), (3968, 80620), (4031, 79360), (4309, 74240), (4448, 71920), (4495, 71168), (4640, 68944), (4960, 64496), (5560, 57536), (7192, 44480), (7424, 43090), (7936, 40310), (8062, 39680), (8618, 37120), (8896, 35960), (8990, 35584), (9280, 34472), (9920, 32248), (11120, 28768), (14384, 22240), (14848, 21545), (15872, 20155), (16124, 19840), (17236, 18560), (17792, 17980)]