121618980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13789}}^1$

素因数の和:13818

約数の個数: 108

約数和(自身を含む): 429172380

約数和(自身を除く): 307553400

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 13789, 27578, 41367, 55156, 68945, 82734, 96523, 124101, 137890, 165468, 193046, 206835, 248202, 275780, 289569, 386092, 413670, 482615, 496404, 579138, 620505, 675661, 827340, 868707, 965230, 1158276, 1241010, 1351322, 1447845, 1737414, 1930460, 2026983, 2482020, 2702644, 2895690, 3378305, 3474828, 4053966, 4343535, 5791380, 6080949, 6756610, 8107932, 8687070, 10134915, 12161898, 13513220, 17374140, 20269830, 24323796, 30404745, 40539660, 60809490, 121618980]

約数ペア:

[(1, 121618980), (2, 60809490), (3, 40539660), (4, 30404745), (5, 24323796), (6, 20269830), (7, 17374140), (9, 13513220), (10, 12161898), (12, 10134915), (14, 8687070), (15, 8107932), (18, 6756610), (20, 6080949), (21, 5791380), (28, 4343535), (30, 4053966), (35, 3474828), (36, 3378305), (42, 2895690), (45, 2702644), (49, 2482020), (60, 2026983), (63, 1930460), (70, 1737414), (84, 1447845), (90, 1351322), (98, 1241010), (105, 1158276), (126, 965230), (140, 868707), (147, 827340), (180, 675661), (196, 620505), (210, 579138), (245, 496404), (252, 482615), (294, 413670), (315, 386092), (420, 289569), (441, 275780), (490, 248202), (588, 206835), (630, 193046), (735, 165468), (882, 137890), (980, 124101), (1260, 96523), (1470, 82734), (1764, 68945), (2205, 55156), (2940, 41367), (4410, 27578), (8820, 13789)]