13381760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 38188800

約数和(自身を除く): 24807040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 103, 112, 116, 128, 140, 145, 160, 203, 206, 224, 232, 280, 290, 320, 406, 412, 448, 464, 515, 560, 580, 640, 721, 812, 824, 896, 928, 1015, 1030, 1120, 1160, 1442, 1624, 1648, 1856, 2030, 2060, 2240, 2320, 2884, 2987, 3248, 3296, 3605, 3712, 4060, 4120, 4480, 4640, 5768, 5974, 6496, 6592, 7210, 8120, 8240, 9280, 11536, 11948, 12992, 13184, 14420, 14935, 16240, 16480, 18560, 20909, 23072, 23896, 25984, 28840, 29870, 32480, 32960, 41818, 46144, 47792, 57680, 59740, 64960, 65920, 83636, 92288, 95584, 104545, 115360, 119480, 129920, 167272, 191168, 209090, 230720, 238960, 334544, 382336, 418180, 461440, 477920, 669088, 836360, 955840, 1338176, 1672720, 1911680, 2676352, 3345440, 6690880, 13381760]

約数ペア:

[(1, 13381760), (2, 6690880), (4, 3345440), (5, 2676352), (7, 1911680), (8, 1672720), (10, 1338176), (14, 955840), (16, 836360), (20, 669088), (28, 477920), (29, 461440), (32, 418180), (35, 382336), (40, 334544), (56, 238960), (58, 230720), (64, 209090), (70, 191168), (80, 167272), (103, 129920), (112, 119480), (116, 115360), (128, 104545), (140, 95584), (145, 92288), (160, 83636), (203, 65920), (206, 64960), (224, 59740), (232, 57680), (280, 47792), (290, 46144), (320, 41818), (406, 32960), (412, 32480), (448, 29870), (464, 28840), (515, 25984), (560, 23896), (580, 23072), (640, 20909), (721, 18560), (812, 16480), (824, 16240), (896, 14935), (928, 14420), (1015, 13184), (1030, 12992), (1120, 11948), (1160, 11536), (1442, 9280), (1624, 8240), (1648, 8120), (1856, 7210), (2030, 6592), (2060, 6496), (2240, 5974), (2320, 5768), (2884, 4640), (2987, 4480), (3248, 4120), (3296, 4060), (3605, 3712)]