78505980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 265531392

約数和(自身を除く): 187025412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 47, 60, 70, 82, 84, 94, 97, 105, 123, 140, 141, 164, 188, 194, 205, 210, 235, 246, 282, 287, 291, 329, 388, 410, 420, 470, 485, 492, 564, 574, 582, 615, 658, 679, 705, 820, 861, 940, 970, 987, 1148, 1164, 1230, 1316, 1358, 1410, 1435, 1455, 1645, 1722, 1927, 1940, 1974, 2037, 2460, 2716, 2820, 2870, 2910, 3290, 3395, 3444, 3854, 3948, 3977, 4074, 4305, 4559, 4935, 5740, 5781, 5820, 6580, 6790, 7708, 7954, 8148, 8610, 9118, 9635, 9870, 10185, 11562, 11931, 13489, 13580, 13677, 15908, 17220, 18236, 19270, 19740, 19885, 20370, 22795, 23124, 23862, 26978, 27354, 27839, 28905, 31913, 38540, 39770, 40467, 40740, 45590, 47724, 53956, 54708, 55678, 57810, 59655, 63826, 67445, 68385, 79540, 80934, 83517, 91180, 95739, 111356, 115620, 119310, 127652, 134890, 136770, 139195, 159565, 161868, 167034, 186919, 191478, 202335, 238620, 269780, 273540, 278390, 319130, 334068, 373838, 382956, 404670, 417585, 478695, 556780, 560757, 638260, 747676, 809340, 835170, 934595, 957390, 1121514, 1308433, 1670340, 1869190, 1914780, 2243028, 2616866, 2803785, 3738380, 3925299, 5233732, 5607570, 6542165, 7850598, 11215140, 13084330, 15701196, 19626495, 26168660, 39252990, 78505980]

約数ペア:

[(1, 78505980), (2, 39252990), (3, 26168660), (4, 19626495), (5, 15701196), (6, 13084330), (7, 11215140), (10, 7850598), (12, 6542165), (14, 5607570), (15, 5233732), (20, 3925299), (21, 3738380), (28, 2803785), (30, 2616866), (35, 2243028), (41, 1914780), (42, 1869190), (47, 1670340), (60, 1308433), (70, 1121514), (82, 957390), (84, 934595), (94, 835170), (97, 809340), (105, 747676), (123, 638260), (140, 560757), (141, 556780), (164, 478695), (188, 417585), (194, 404670), (205, 382956), (210, 373838), (235, 334068), (246, 319130), (282, 278390), (287, 273540), (291, 269780), (329, 238620), (388, 202335), (410, 191478), (420, 186919), (470, 167034), (485, 161868), (492, 159565), (564, 139195), (574, 136770), (582, 134890), (615, 127652), (658, 119310), (679, 115620), (705, 111356), (820, 95739), (861, 91180), (940, 83517), (970, 80934), (987, 79540), (1148, 68385), (1164, 67445), (1230, 63826), (1316, 59655), (1358, 57810), (1410, 55678), (1435, 54708), (1455, 53956), (1645, 47724), (1722, 45590), (1927, 40740), (1940, 40467), (1974, 39770), (2037, 38540), (2460, 31913), (2716, 28905), (2820, 27839), (2870, 27354), (2910, 26978), (3290, 23862), (3395, 23124), (3444, 22795), (3854, 20370), (3948, 19885), (3977, 19740), (4074, 19270), (4305, 18236), (4559, 17220), (4935, 15908), (5740, 13677), (5781, 13580), (5820, 13489), (6580, 11931), (6790, 11562), (7708, 10185), (7954, 9870), (8148, 9635), (8610, 9118)]