131259520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:462

約数の個数: 128

約数和(自身を含む): 363968640

約数和(自身を除く): 232709120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 224, 280, 320, 332, 353, 415, 448, 560, 581, 640, 664, 706, 830, 896, 1120, 1162, 1328, 1412, 1660, 1765, 2240, 2324, 2471, 2656, 2824, 2905, 3320, 3530, 4480, 4648, 4942, 5312, 5648, 5810, 6640, 7060, 9296, 9884, 10624, 11296, 11620, 12355, 13280, 14120, 18592, 19768, 22592, 23240, 24710, 26560, 28240, 29299, 37184, 39536, 45184, 46480, 49420, 53120, 56480, 58598, 74368, 79072, 92960, 98840, 112960, 117196, 146495, 158144, 185920, 197680, 205093, 225920, 234392, 292990, 316288, 371840, 395360, 410186, 468784, 585980, 790720, 820372, 937568, 1025465, 1171960, 1581440, 1640744, 1875136, 2050930, 2343920, 3281488, 3750272, 4101860, 4687840, 6562976, 8203720, 9375680, 13125952, 16407440, 18751360, 26251904, 32814880, 65629760, 131259520]

約数ペア:

[(1, 131259520), (2, 65629760), (4, 32814880), (5, 26251904), (7, 18751360), (8, 16407440), (10, 13125952), (14, 9375680), (16, 8203720), (20, 6562976), (28, 4687840), (32, 4101860), (35, 3750272), (40, 3281488), (56, 2343920), (64, 2050930), (70, 1875136), (80, 1640744), (83, 1581440), (112, 1171960), (128, 1025465), (140, 937568), (160, 820372), (166, 790720), (224, 585980), (280, 468784), (320, 410186), (332, 395360), (353, 371840), (415, 316288), (448, 292990), (560, 234392), (581, 225920), (640, 205093), (664, 197680), (706, 185920), (830, 158144), (896, 146495), (1120, 117196), (1162, 112960), (1328, 98840), (1412, 92960), (1660, 79072), (1765, 74368), (2240, 58598), (2324, 56480), (2471, 53120), (2656, 49420), (2824, 46480), (2905, 45184), (3320, 39536), (3530, 37184), (4480, 29299), (4648, 28240), (4942, 26560), (5312, 24710), (5648, 23240), (5810, 22592), (6640, 19768), (7060, 18592), (9296, 14120), (9884, 13280), (10624, 12355), (11296, 11620)]