71887680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 168

約数和(自身を含む): 250621800

約数和(自身を除く): 178734120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 109, 120, 144, 160, 180, 192, 218, 229, 240, 288, 320, 327, 360, 436, 458, 480, 545, 576, 654, 687, 720, 872, 916, 960, 981, 1090, 1145, 1308, 1374, 1440, 1635, 1744, 1832, 1962, 2061, 2180, 2290, 2616, 2748, 2880, 3270, 3435, 3488, 3664, 3924, 4122, 4360, 4580, 4905, 5232, 5496, 6540, 6870, 6976, 7328, 7848, 8244, 8720, 9160, 9810, 10305, 10464, 10992, 13080, 13740, 14656, 15696, 16488, 17440, 18320, 19620, 20610, 20928, 21984, 24961, 26160, 27480, 31392, 32976, 34880, 36640, 39240, 41220, 43968, 49922, 52320, 54960, 62784, 65952, 73280, 74883, 78480, 82440, 99844, 104640, 109920, 124805, 131904, 149766, 156960, 164880, 199688, 219840, 224649, 249610, 299532, 313920, 329760, 374415, 399376, 449298, 499220, 599064, 659520, 748830, 798752, 898596, 998440, 1123245, 1198128, 1497660, 1597504, 1797192, 1996880, 2246490, 2396256, 2995320, 3594384, 3993760, 4492980, 4792512, 5990640, 7188768, 7987520, 8985960, 11981280, 14377536, 17971920, 23962560, 35943840, 71887680]

約数ペア:

[(1, 71887680), (2, 35943840), (3, 23962560), (4, 17971920), (5, 14377536), (6, 11981280), (8, 8985960), (9, 7987520), (10, 7188768), (12, 5990640), (15, 4792512), (16, 4492980), (18, 3993760), (20, 3594384), (24, 2995320), (30, 2396256), (32, 2246490), (36, 1996880), (40, 1797192), (45, 1597504), (48, 1497660), (60, 1198128), (64, 1123245), (72, 998440), (80, 898596), (90, 798752), (96, 748830), (109, 659520), (120, 599064), (144, 499220), (160, 449298), (180, 399376), (192, 374415), (218, 329760), (229, 313920), (240, 299532), (288, 249610), (320, 224649), (327, 219840), (360, 199688), (436, 164880), (458, 156960), (480, 149766), (545, 131904), (576, 124805), (654, 109920), (687, 104640), (720, 99844), (872, 82440), (916, 78480), (960, 74883), (981, 73280), (1090, 65952), (1145, 62784), (1308, 54960), (1374, 52320), (1440, 49922), (1635, 43968), (1744, 41220), (1832, 39240), (1962, 36640), (2061, 34880), (2180, 32976), (2290, 31392), (2616, 27480), (2748, 26160), (2880, 24961), (3270, 21984), (3435, 20928), (3488, 20610), (3664, 19620), (3924, 18320), (4122, 17440), (4360, 16488), (4580, 15696), (4905, 14656), (5232, 13740), (5496, 13080), (6540, 10992), (6870, 10464), (6976, 10305), (7328, 9810), (7848, 9160), (8244, 8720)]