256088520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7649}}^1$

素因数の和:7700

約数の個数: 128

約数和(自身を含む): 881280000

約数和(自身を除く): 625191480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 7649, 8370, 11160, 15298, 16740, 22947, 30596, 33480, 38245, 45894, 61192, 68841, 76490, 91788, 114735, 137682, 152980, 183576, 206523, 229470, 237119, 275364, 305960, 344205, 413046, 458940, 474238, 550728, 688410, 711357, 826092, 917880, 948476, 1032615, 1185595, 1376820, 1422714, 1652184, 1896952, 2065230, 2134071, 2371190, 2753640, 2845428, 3556785, 4130460, 4268142, 4742380, 5690856, 6402213, 7113570, 8260920, 8536284, 9484760, 10670355, 12804426, 14227140, 17072568, 21340710, 25608852, 28454280, 32011065, 42681420, 51217704, 64022130, 85362840, 128044260, 256088520]

約数ペア:

[(1, 256088520), (2, 128044260), (3, 85362840), (4, 64022130), (5, 51217704), (6, 42681420), (8, 32011065), (9, 28454280), (10, 25608852), (12, 21340710), (15, 17072568), (18, 14227140), (20, 12804426), (24, 10670355), (27, 9484760), (30, 8536284), (31, 8260920), (36, 7113570), (40, 6402213), (45, 5690856), (54, 4742380), (60, 4268142), (62, 4130460), (72, 3556785), (90, 2845428), (93, 2753640), (108, 2371190), (120, 2134071), (124, 2065230), (135, 1896952), (155, 1652184), (180, 1422714), (186, 1376820), (216, 1185595), (248, 1032615), (270, 948476), (279, 917880), (310, 826092), (360, 711357), (372, 688410), (465, 550728), (540, 474238), (558, 458940), (620, 413046), (744, 344205), (837, 305960), (930, 275364), (1080, 237119), (1116, 229470), (1240, 206523), (1395, 183576), (1674, 152980), (1860, 137682), (2232, 114735), (2790, 91788), (3348, 76490), (3720, 68841), (4185, 61192), (5580, 45894), (6696, 38245), (7649, 33480), (8370, 30596), (11160, 22947), (15298, 16740)]