12989281920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{3931}}^1$

素因数の和:5674

約数の個数: 128

約数和(自身を含む): 41437932480

約数和(自身を除く): 28448650560

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, 240, 320, 384, 480, 640, 960, 1721, 1920, 3442, 3931, 5163, 6884, 7862, 8605, 10326, 11793, 13768, 15724, 17210, 19655, 20652, 23586, 25815, 27536, 31448, 34420, 39310, 41304, 47172, 51630, 55072, 58965, 62896, 68840, 78620, 82608, 94344, 103260, 110144, 117930, 125792, 137680, 157240, 165216, 188688, 206520, 220288, 235860, 251584, 275360, 314480, 330432, 377376, 413040, 471720, 503168, 550720, 628960, 660864, 754752, 826080, 943440, 1101440, 1257920, 1509504, 1652160, 1886880, 2515840, 3304320, 3773760, 6765251, 7547520, 13530502, 20295753, 27061004, 33826255, 40591506, 54122008, 67652510, 81183012, 101478765, 108244016, 135305020, 162366024, 202957530, 216488032, 270610040, 324732048, 405915060, 432976064, 541220080, 649464096, 811830120, 865952128, 1082440160, 1298928192, 1623660240, 2164880320, 2597856384, 3247320480, 4329760640, 6494640960, 12989281920]

約数ペア:

[(1, 12989281920), (2, 6494640960), (3, 4329760640), (4, 3247320480), (5, 2597856384), (6, 2164880320), (8, 1623660240), (10, 1298928192), (12, 1082440160), (15, 865952128), (16, 811830120), (20, 649464096), (24, 541220080), (30, 432976064), (32, 405915060), (40, 324732048), (48, 270610040), (60, 216488032), (64, 202957530), (80, 162366024), (96, 135305020), (120, 108244016), (128, 101478765), (160, 81183012), (192, 67652510), (240, 54122008), (320, 40591506), (384, 33826255), (480, 27061004), (640, 20295753), (960, 13530502), (1721, 7547520), (1920, 6765251), (3442, 3773760), (3931, 3304320), (5163, 2515840), (6884, 1886880), (7862, 1652160), (8605, 1509504), (10326, 1257920), (11793, 1101440), (13768, 943440), (15724, 826080), (17210, 754752), (19655, 660864), (20652, 628960), (23586, 550720), (25815, 503168), (27536, 471720), (31448, 413040), (34420, 377376), (39310, 330432), (41304, 314480), (47172, 275360), (51630, 251584), (55072, 235860), (58965, 220288), (62896, 206520), (68840, 188688), (78620, 165216), (82608, 157240), (94344, 137680), (103260, 125792), (110144, 117930)]