651707520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1723}}^1$

素因数の和:1942

約数の個数: 128

約数和(自身を含む): 2089074240

約数和(自身を除く): 1437366720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 320, 384, 394, 480, 591, 640, 788, 960, 985, 1182, 1576, 1723, 1920, 1970, 2364, 2955, 3152, 3446, 3940, 4728, 5169, 5910, 6304, 6892, 7880, 8615, 9456, 10338, 11820, 12608, 13784, 15760, 17230, 18912, 20676, 23640, 25216, 25845, 27568, 31520, 34460, 37824, 41352, 47280, 51690, 55136, 63040, 68920, 75648, 82704, 94560, 103380, 110272, 126080, 137840, 165408, 189120, 206760, 220544, 275680, 330816, 339431, 378240, 413520, 551360, 661632, 678862, 827040, 1018293, 1102720, 1357724, 1654080, 1697155, 2036586, 2715448, 3308160, 3394310, 4073172, 5091465, 5430896, 6788620, 8146344, 10182930, 10861792, 13577240, 16292688, 20365860, 21723584, 27154480, 32585376, 40731720, 43447168, 54308960, 65170752, 81463440, 108617920, 130341504, 162926880, 217235840, 325853760, 651707520]

約数ペア:

[(1, 651707520), (2, 325853760), (3, 217235840), (4, 162926880), (5, 130341504), (6, 108617920), (8, 81463440), (10, 65170752), (12, 54308960), (15, 43447168), (16, 40731720), (20, 32585376), (24, 27154480), (30, 21723584), (32, 20365860), (40, 16292688), (48, 13577240), (60, 10861792), (64, 10182930), (80, 8146344), (96, 6788620), (120, 5430896), (128, 5091465), (160, 4073172), (192, 3394310), (197, 3308160), (240, 2715448), (320, 2036586), (384, 1697155), (394, 1654080), (480, 1357724), (591, 1102720), (640, 1018293), (788, 827040), (960, 678862), (985, 661632), (1182, 551360), (1576, 413520), (1723, 378240), (1920, 339431), (1970, 330816), (2364, 275680), (2955, 220544), (3152, 206760), (3446, 189120), (3940, 165408), (4728, 137840), (5169, 126080), (5910, 110272), (6304, 103380), (6892, 94560), (7880, 82704), (8615, 75648), (9456, 68920), (10338, 63040), (11820, 55136), (12608, 51690), (13784, 47280), (15760, 41352), (17230, 37824), (18912, 34460), (20676, 31520), (23640, 27568), (25216, 25845)]