205997580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1381

約数の個数: 120

約数和(自身を含む): 653138640

約数和(自身を除く): 447141060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 101, 108, 135, 162, 180, 202, 270, 303, 324, 404, 405, 505, 540, 606, 810, 909, 1010, 1212, 1259, 1515, 1620, 1818, 2020, 2518, 2727, 3030, 3636, 3777, 4545, 5036, 5454, 6060, 6295, 7554, 8181, 9090, 10908, 11331, 12590, 13635, 15108, 16362, 18180, 18885, 22662, 25180, 27270, 32724, 33993, 37770, 40905, 45324, 54540, 56655, 67986, 75540, 81810, 101979, 113310, 127159, 135972, 163620, 169965, 203958, 226620, 254318, 339930, 381477, 407916, 508636, 509895, 635795, 679860, 762954, 1019790, 1144431, 1271590, 1525908, 1907385, 2039580, 2288862, 2543180, 3433293, 3814770, 4577724, 5722155, 6866586, 7629540, 10299879, 11444310, 13733172, 17166465, 20599758, 22888620, 34332930, 41199516, 51499395, 68665860, 102998790, 205997580]

約数ペア:

[(1, 205997580), (2, 102998790), (3, 68665860), (4, 51499395), (5, 41199516), (6, 34332930), (9, 22888620), (10, 20599758), (12, 17166465), (15, 13733172), (18, 11444310), (20, 10299879), (27, 7629540), (30, 6866586), (36, 5722155), (45, 4577724), (54, 3814770), (60, 3433293), (81, 2543180), (90, 2288862), (101, 2039580), (108, 1907385), (135, 1525908), (162, 1271590), (180, 1144431), (202, 1019790), (270, 762954), (303, 679860), (324, 635795), (404, 509895), (405, 508636), (505, 407916), (540, 381477), (606, 339930), (810, 254318), (909, 226620), (1010, 203958), (1212, 169965), (1259, 163620), (1515, 135972), (1620, 127159), (1818, 113310), (2020, 101979), (2518, 81810), (2727, 75540), (3030, 67986), (3636, 56655), (3777, 54540), (4545, 45324), (5036, 40905), (5454, 37770), (6060, 33993), (6295, 32724), (7554, 27270), (8181, 25180), (9090, 22662), (10908, 18885), (11331, 18180), (12590, 16362), (13635, 15108)]