68113760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 190920240

約数和(自身を除く): 122806480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 169, 176, 208, 220, 229, 260, 286, 338, 352, 416, 440, 458, 520, 572, 676, 715, 845, 880, 916, 1040, 1144, 1145, 1352, 1430, 1690, 1760, 1832, 1859, 2080, 2288, 2290, 2519, 2704, 2860, 2977, 3380, 3664, 3718, 4576, 4580, 5038, 5408, 5720, 5954, 6760, 7328, 7436, 9160, 9295, 10076, 11440, 11908, 12595, 13520, 14872, 14885, 18320, 18590, 20152, 22880, 23816, 25190, 27040, 29744, 29770, 32747, 36640, 37180, 38701, 40304, 47632, 50380, 59488, 59540, 65494, 74360, 77402, 80608, 95264, 100760, 119080, 130988, 148720, 154804, 163735, 193505, 201520, 238160, 261976, 297440, 309608, 327470, 387010, 403040, 425711, 476320, 523952, 619216, 654940, 774020, 851422, 1047904, 1238432, 1309880, 1548040, 1702844, 2128555, 2619760, 3096080, 3405688, 4257110, 5239520, 6192160, 6811376, 8514220, 13622752, 17028440, 34056880, 68113760]

約数ペア:

[(1, 68113760), (2, 34056880), (4, 17028440), (5, 13622752), (8, 8514220), (10, 6811376), (11, 6192160), (13, 5239520), (16, 4257110), (20, 3405688), (22, 3096080), (26, 2619760), (32, 2128555), (40, 1702844), (44, 1548040), (52, 1309880), (55, 1238432), (65, 1047904), (80, 851422), (88, 774020), (104, 654940), (110, 619216), (130, 523952), (143, 476320), (160, 425711), (169, 403040), (176, 387010), (208, 327470), (220, 309608), (229, 297440), (260, 261976), (286, 238160), (338, 201520), (352, 193505), (416, 163735), (440, 154804), (458, 148720), (520, 130988), (572, 119080), (676, 100760), (715, 95264), (845, 80608), (880, 77402), (916, 74360), (1040, 65494), (1144, 59540), (1145, 59488), (1352, 50380), (1430, 47632), (1690, 40304), (1760, 38701), (1832, 37180), (1859, 36640), (2080, 32747), (2288, 29770), (2290, 29744), (2519, 27040), (2704, 25190), (2860, 23816), (2977, 22880), (3380, 20152), (3664, 18590), (3718, 18320), (4576, 14885), (4580, 14872), (5038, 13520), (5408, 12595), (5720, 11908), (5954, 11440), (6760, 10076), (7328, 9295), (7436, 9160)]