657747540

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:453

約数の個数: 168

約数和(自身を含む): 2090559240

約数和(自身を除く): 1432811700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 197, 229, 243, 270, 324, 394, 405, 458, 486, 540, 591, 687, 729, 788, 810, 916, 972, 985, 1145, 1182, 1215, 1374, 1458, 1620, 1773, 1970, 2061, 2290, 2364, 2430, 2748, 2916, 2955, 3435, 3546, 3645, 3940, 4122, 4580, 4860, 5319, 5910, 6183, 6870, 7092, 7290, 8244, 8865, 10305, 10638, 11820, 12366, 13740, 14580, 15957, 17730, 18549, 20610, 21276, 24732, 26595, 30915, 31914, 35460, 37098, 41220, 45113, 47871, 53190, 55647, 61830, 63828, 74196, 79785, 90226, 92745, 95742, 106380, 111294, 123660, 135339, 143613, 159570, 166941, 180452, 185490, 191484, 222588, 225565, 239355, 270678, 278235, 287226, 319140, 333882, 370980, 406017, 451130, 478710, 541356, 556470, 574452, 667764, 676695, 718065, 812034, 834705, 902260, 957420, 1112940, 1218051, 1353390, 1436130, 1624068, 1669410, 2030085, 2436102, 2706780, 2872260, 3338820, 3654153, 4060170, 4872204, 6090255, 7308306, 8120340, 10962459, 12180510, 14616612, 18270765, 21924918, 24361020, 32887377, 36541530, 43849836, 54812295, 65774754, 73083060, 109624590, 131549508, 164436885, 219249180, 328873770, 657747540]

約数ペア:

[(1, 657747540), (2, 328873770), (3, 219249180), (4, 164436885), (5, 131549508), (6, 109624590), (9, 73083060), (10, 65774754), (12, 54812295), (15, 43849836), (18, 36541530), (20, 32887377), (27, 24361020), (30, 21924918), (36, 18270765), (45, 14616612), (54, 12180510), (60, 10962459), (81, 8120340), (90, 7308306), (108, 6090255), (135, 4872204), (162, 4060170), (180, 3654153), (197, 3338820), (229, 2872260), (243, 2706780), (270, 2436102), (324, 2030085), (394, 1669410), (405, 1624068), (458, 1436130), (486, 1353390), (540, 1218051), (591, 1112940), (687, 957420), (729, 902260), (788, 834705), (810, 812034), (916, 718065), (972, 676695), (985, 667764), (1145, 574452), (1182, 556470), (1215, 541356), (1374, 478710), (1458, 451130), (1620, 406017), (1773, 370980), (1970, 333882), (2061, 319140), (2290, 287226), (2364, 278235), (2430, 270678), (2748, 239355), (2916, 225565), (2955, 222588), (3435, 191484), (3546, 185490), (3645, 180452), (3940, 166941), (4122, 159570), (4580, 143613), (4860, 135339), (5319, 123660), (5910, 111294), (6183, 106380), (6870, 95742), (7092, 92745), (7290, 90226), (8244, 79785), (8865, 74196), (10305, 63828), (10638, 61830), (11820, 55647), (12366, 53190), (13740, 47871), (14580, 45113), (15957, 41220), (17730, 37098), (18549, 35460), (20610, 31914), (21276, 30915), (24732, 26595)]