15697820140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1\times {\mathrm{691}}^1$

素因数の和:1223

約数の個数: 96

約数和(自身を含む): 35044208640

約数和(自身を除く): 19346388500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 313, 380, 382, 626, 691, 764, 955, 1252, 1382, 1565, 1910, 2764, 3130, 3455, 3629, 3820, 5947, 6260, 6910, 7258, 11894, 13129, 13820, 14516, 18145, 23788, 26258, 29735, 36290, 52516, 59470, 59783, 65645, 72580, 118940, 119566, 131290, 131981, 216283, 239132, 262580, 263962, 298915, 432566, 527924, 597830, 659905, 865132, 1081415, 1135877, 1195660, 1319810, 2162830, 2271754, 2507639, 2639620, 4109377, 4325660, 4543508, 5015278, 5679385, 8218754, 10030556, 11358770, 12538195, 16437508, 20546885, 22717540, 25076390, 41093770, 41310053, 50152780, 82187540, 82620106, 165240212, 206550265, 413100530, 784891007, 826201060, 1569782014, 3139564028, 3924455035, 7848910070, 15697820140]

約数ペア:

[(1, 15697820140), (2, 7848910070), (4, 3924455035), (5, 3139564028), (10, 1569782014), (19, 826201060), (20, 784891007), (38, 413100530), (76, 206550265), (95, 165240212), (190, 82620106), (191, 82187540), (313, 50152780), (380, 41310053), (382, 41093770), (626, 25076390), (691, 22717540), (764, 20546885), (955, 16437508), (1252, 12538195), (1382, 11358770), (1565, 10030556), (1910, 8218754), (2764, 5679385), (3130, 5015278), (3455, 4543508), (3629, 4325660), (3820, 4109377), (5947, 2639620), (6260, 2507639), (6910, 2271754), (7258, 2162830), (11894, 1319810), (13129, 1195660), (13820, 1135877), (14516, 1081415), (18145, 865132), (23788, 659905), (26258, 597830), (29735, 527924), (36290, 432566), (52516, 298915), (59470, 263962), (59783, 262580), (65645, 239132), (72580, 216283), (118940, 131981), (119566, 131290)]