80179890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1999}}^1$

素因数の和:2207

約数の個数: 64

約数和(自身を含む): 221184000

約数和(自身を除く): 141004110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 191, 210, 382, 573, 955, 1146, 1337, 1910, 1999, 2674, 2865, 3998, 4011, 5730, 5997, 6685, 8022, 9995, 11994, 13370, 13993, 19990, 20055, 27986, 29985, 40110, 41979, 59970, 69965, 83958, 139930, 209895, 381809, 419790, 763618, 1145427, 1909045, 2290854, 2672663, 3818090, 5345326, 5727135, 8017989, 11454270, 13363315, 16035978, 26726630, 40089945, 80179890]

約数ペア:

[(1, 80179890), (2, 40089945), (3, 26726630), (5, 16035978), (6, 13363315), (7, 11454270), (10, 8017989), (14, 5727135), (15, 5345326), (21, 3818090), (30, 2672663), (35, 2290854), (42, 1909045), (70, 1145427), (105, 763618), (191, 419790), (210, 381809), (382, 209895), (573, 139930), (955, 83958), (1146, 69965), (1337, 59970), (1910, 41979), (1999, 40110), (2674, 29985), (2865, 27986), (3998, 20055), (4011, 19990), (5730, 13993), (5997, 13370), (6685, 11994), (8022, 9995)]