28963620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 101756928

約数和(自身を除く): 72793308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 181, 210, 252, 254, 315, 362, 381, 420, 508, 543, 630, 635, 724, 762, 889, 905, 1086, 1143, 1260, 1267, 1270, 1524, 1629, 1778, 1810, 1905, 2172, 2286, 2534, 2540, 2667, 2715, 3258, 3556, 3620, 3801, 3810, 4445, 4572, 5068, 5334, 5430, 5715, 6335, 6516, 7602, 7620, 8001, 8145, 8890, 10668, 10860, 11403, 11430, 12670, 13335, 15204, 16002, 16290, 17780, 19005, 22806, 22860, 22987, 25340, 26670, 32004, 32580, 38010, 40005, 45612, 45974, 53340, 57015, 68961, 76020, 80010, 91948, 114030, 114935, 137922, 160020, 160909, 206883, 228060, 229870, 275844, 321818, 344805, 413766, 459740, 482727, 643636, 689610, 804545, 827532, 965454, 1034415, 1379220, 1448181, 1609090, 1930908, 2068830, 2413635, 2896362, 3218180, 4137660, 4827270, 5792724, 7240905, 9654540, 14481810, 28963620]

約数ペア:

[(1, 28963620), (2, 14481810), (3, 9654540), (4, 7240905), (5, 5792724), (6, 4827270), (7, 4137660), (9, 3218180), (10, 2896362), (12, 2413635), (14, 2068830), (15, 1930908), (18, 1609090), (20, 1448181), (21, 1379220), (28, 1034415), (30, 965454), (35, 827532), (36, 804545), (42, 689610), (45, 643636), (60, 482727), (63, 459740), (70, 413766), (84, 344805), (90, 321818), (105, 275844), (126, 229870), (127, 228060), (140, 206883), (180, 160909), (181, 160020), (210, 137922), (252, 114935), (254, 114030), (315, 91948), (362, 80010), (381, 76020), (420, 68961), (508, 57015), (543, 53340), (630, 45974), (635, 45612), (724, 40005), (762, 38010), (889, 32580), (905, 32004), (1086, 26670), (1143, 25340), (1260, 22987), (1267, 22860), (1270, 22806), (1524, 19005), (1629, 17780), (1778, 16290), (1810, 16002), (1905, 15204), (2172, 13335), (2286, 12670), (2534, 11430), (2540, 11403), (2667, 10860), (2715, 10668), (3258, 8890), (3556, 8145), (3620, 8001), (3801, 7620), (3810, 7602), (4445, 6516), (4572, 6335), (5068, 5715), (5334, 5430)]