70813620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1997}}^1$

素因数の和:2209

約数の個数: 72

約数和(自身を含む): 215999784

約数和(自身を除く): 145186164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 1997, 2364, 2955, 3546, 3940, 3994, 5910, 5991, 7092, 7988, 8865, 9985, 11820, 11982, 17730, 17973, 19970, 23964, 29955, 35460, 35946, 39940, 59910, 71892, 89865, 119820, 179730, 359460, 393409, 786818, 1180227, 1573636, 1967045, 2360454, 3540681, 3934090, 4720908, 5901135, 7081362, 7868180, 11802270, 14162724, 17703405, 23604540, 35406810, 70813620]

約数ペア:

[(1, 70813620), (2, 35406810), (3, 23604540), (4, 17703405), (5, 14162724), (6, 11802270), (9, 7868180), (10, 7081362), (12, 5901135), (15, 4720908), (18, 3934090), (20, 3540681), (30, 2360454), (36, 1967045), (45, 1573636), (60, 1180227), (90, 786818), (180, 393409), (197, 359460), (394, 179730), (591, 119820), (788, 89865), (985, 71892), (1182, 59910), (1773, 39940), (1970, 35946), (1997, 35460), (2364, 29955), (2955, 23964), (3546, 19970), (3940, 17973), (3994, 17730), (5910, 11982), (5991, 11820), (7092, 9985), (7988, 8865)]