2817190720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{9161}}^1$

素因数の和:9240

約数の個数: 84

約数和(自身を含む): 6932573892

約数和(自身を除く): 4115383172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 961, 992, 1240, 1922, 1984, 2480, 3844, 4805, 4960, 7688, 9161, 9610, 9920, 15376, 18322, 19220, 30752, 36644, 38440, 45805, 61504, 73288, 76880, 91610, 146576, 153760, 183220, 283991, 293152, 307520, 366440, 567982, 586304, 732880, 1135964, 1419955, 1465760, 2271928, 2839910, 2931520, 4543856, 5679820, 8803721, 9087712, 11359640, 17607442, 18175424, 22719280, 35214884, 44018605, 45438560, 70429768, 88037210, 90877120, 140859536, 176074420, 281719072, 352148840, 563438144, 704297680, 1408595360, 2817190720]

約数ペア:

[(1, 2817190720), (2, 1408595360), (4, 704297680), (5, 563438144), (8, 352148840), (10, 281719072), (16, 176074420), (20, 140859536), (31, 90877120), (32, 88037210), (40, 70429768), (62, 45438560), (64, 44018605), (80, 35214884), (124, 22719280), (155, 18175424), (160, 17607442), (248, 11359640), (310, 9087712), (320, 8803721), (496, 5679820), (620, 4543856), (961, 2931520), (992, 2839910), (1240, 2271928), (1922, 1465760), (1984, 1419955), (2480, 1135964), (3844, 732880), (4805, 586304), (4960, 567982), (7688, 366440), (9161, 307520), (9610, 293152), (9920, 283991), (15376, 183220), (18322, 153760), (19220, 146576), (30752, 91610), (36644, 76880), (38440, 73288), (45805, 61504)]