91275520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 255483648

約数和(自身を除く): 164208128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 167, 224, 244, 256, 280, 305, 320, 334, 427, 448, 488, 560, 610, 640, 668, 835, 854, 896, 976, 1120, 1169, 1220, 1280, 1336, 1670, 1708, 1792, 1952, 2135, 2240, 2338, 2440, 2672, 3340, 3416, 3904, 4270, 4480, 4676, 4880, 5344, 5845, 6680, 6832, 7808, 8540, 8960, 9352, 9760, 10187, 10688, 11690, 13360, 13664, 15616, 17080, 18704, 19520, 20374, 21376, 23380, 26720, 27328, 34160, 37408, 39040, 40748, 42752, 46760, 50935, 53440, 54656, 68320, 71309, 74816, 78080, 81496, 93520, 101870, 106880, 109312, 136640, 142618, 149632, 162992, 187040, 203740, 213760, 273280, 285236, 299264, 325984, 356545, 374080, 407480, 546560, 570472, 651968, 713090, 748160, 814960, 1140944, 1303936, 1426180, 1496320, 1629920, 2281888, 2607872, 2852360, 3259840, 4563776, 5704720, 6519680, 9127552, 11409440, 13039360, 18255104, 22818880, 45637760, 91275520]

約数ペア:

[(1, 91275520), (2, 45637760), (4, 22818880), (5, 18255104), (7, 13039360), (8, 11409440), (10, 9127552), (14, 6519680), (16, 5704720), (20, 4563776), (28, 3259840), (32, 2852360), (35, 2607872), (40, 2281888), (56, 1629920), (61, 1496320), (64, 1426180), (70, 1303936), (80, 1140944), (112, 814960), (122, 748160), (128, 713090), (140, 651968), (160, 570472), (167, 546560), (224, 407480), (244, 374080), (256, 356545), (280, 325984), (305, 299264), (320, 285236), (334, 273280), (427, 213760), (448, 203740), (488, 187040), (560, 162992), (610, 149632), (640, 142618), (668, 136640), (835, 109312), (854, 106880), (896, 101870), (976, 93520), (1120, 81496), (1169, 78080), (1220, 74816), (1280, 71309), (1336, 68320), (1670, 54656), (1708, 53440), (1792, 50935), (1952, 46760), (2135, 42752), (2240, 40748), (2338, 39040), (2440, 37408), (2672, 34160), (3340, 27328), (3416, 26720), (3904, 23380), (4270, 21376), (4480, 20374), (4676, 19520), (4880, 18704), (5344, 17080), (5845, 15616), (6680, 13664), (6832, 13360), (7808, 11690), (8540, 10688), (8960, 10187), (9352, 9760)]