129157880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 323481600

約数和(自身を除く): 194323720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 47, 58, 92, 94, 103, 115, 116, 145, 184, 188, 206, 230, 232, 235, 290, 376, 412, 460, 470, 515, 580, 667, 824, 920, 940, 1030, 1081, 1160, 1334, 1363, 1880, 2060, 2162, 2369, 2668, 2726, 2987, 3335, 4120, 4324, 4738, 4841, 5336, 5405, 5452, 5974, 6670, 6815, 8648, 9476, 9682, 10810, 10904, 11845, 11948, 13340, 13630, 14935, 18952, 19364, 21620, 23690, 23896, 24205, 26680, 27260, 29870, 31349, 38728, 43240, 47380, 48410, 54520, 59740, 62698, 68701, 94760, 96820, 111343, 119480, 125396, 137402, 140389, 156745, 193640, 222686, 250792, 274804, 280778, 313490, 343505, 445372, 549608, 556715, 561556, 626980, 687010, 701945, 890744, 1113430, 1123112, 1253960, 1374020, 1403890, 2226860, 2748040, 2807780, 3228947, 4453720, 5615560, 6457894, 12915788, 16144735, 25831576, 32289470, 64578940, 129157880]

約数ペア:

[(1, 129157880), (2, 64578940), (4, 32289470), (5, 25831576), (8, 16144735), (10, 12915788), (20, 6457894), (23, 5615560), (29, 4453720), (40, 3228947), (46, 2807780), (47, 2748040), (58, 2226860), (92, 1403890), (94, 1374020), (103, 1253960), (115, 1123112), (116, 1113430), (145, 890744), (184, 701945), (188, 687010), (206, 626980), (230, 561556), (232, 556715), (235, 549608), (290, 445372), (376, 343505), (412, 313490), (460, 280778), (470, 274804), (515, 250792), (580, 222686), (667, 193640), (824, 156745), (920, 140389), (940, 137402), (1030, 125396), (1081, 119480), (1160, 111343), (1334, 96820), (1363, 94760), (1880, 68701), (2060, 62698), (2162, 59740), (2369, 54520), (2668, 48410), (2726, 47380), (2987, 43240), (3335, 38728), (4120, 31349), (4324, 29870), (4738, 27260), (4841, 26680), (5336, 24205), (5405, 23896), (5452, 23690), (5974, 21620), (6670, 19364), (6815, 18952), (8648, 14935), (9476, 13630), (9682, 13340), (10810, 11948), (10904, 11845)]