1256706780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:508

約数の個数: 192

約数和(自身を含む): 4114682880

約数和(自身を除く): 2857976100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 109, 140, 194, 210, 218, 283, 291, 327, 388, 420, 436, 485, 545, 566, 582, 654, 679, 763, 849, 970, 1090, 1132, 1164, 1308, 1358, 1415, 1455, 1526, 1635, 1698, 1940, 1981, 2037, 2180, 2289, 2716, 2830, 2910, 3052, 3270, 3395, 3396, 3815, 3962, 4074, 4245, 4578, 5660, 5820, 5943, 6540, 6790, 7630, 7924, 8148, 8490, 9156, 9905, 10185, 10573, 11445, 11886, 13580, 15260, 16980, 19810, 20370, 21146, 22890, 23772, 27451, 29715, 30847, 31719, 39620, 40740, 42292, 45780, 52865, 54902, 59430, 61694, 63438, 74011, 82353, 92541, 105730, 109804, 118860, 123388, 126876, 137255, 148022, 154235, 158595, 164706, 185082, 192157, 211460, 215929, 222033, 274510, 296044, 308470, 317190, 329412, 370055, 370164, 384314, 411765, 431858, 444066, 462705, 549020, 576471, 616940, 634380, 647787, 740110, 768628, 823530, 863716, 888132, 925410, 960785, 1079645, 1110165, 1152942, 1295574, 1480220, 1647060, 1850820, 1921570, 2159290, 2220330, 2305884, 2591148, 2882355, 2992159, 3238935, 3843140, 4318580, 4440660, 5764710, 5984318, 6477870, 8976477, 11529420, 11968636, 12955740, 14960795, 17952954, 20945113, 29921590, 35905908, 41890226, 44882385, 59843180, 62835339, 83780452, 89764770, 104725565, 125670678, 179529540, 209451130, 251341356, 314176695, 418902260, 628353390, 1256706780]

約数ペア:

[(1, 1256706780), (2, 628353390), (3, 418902260), (4, 314176695), (5, 251341356), (6, 209451130), (7, 179529540), (10, 125670678), (12, 104725565), (14, 89764770), (15, 83780452), (20, 62835339), (21, 59843180), (28, 44882385), (30, 41890226), (35, 35905908), (42, 29921590), (60, 20945113), (70, 17952954), (84, 14960795), (97, 12955740), (105, 11968636), (109, 11529420), (140, 8976477), (194, 6477870), (210, 5984318), (218, 5764710), (283, 4440660), (291, 4318580), (327, 3843140), (388, 3238935), (420, 2992159), (436, 2882355), (485, 2591148), (545, 2305884), (566, 2220330), (582, 2159290), (654, 1921570), (679, 1850820), (763, 1647060), (849, 1480220), (970, 1295574), (1090, 1152942), (1132, 1110165), (1164, 1079645), (1308, 960785), (1358, 925410), (1415, 888132), (1455, 863716), (1526, 823530), (1635, 768628), (1698, 740110), (1940, 647787), (1981, 634380), (2037, 616940), (2180, 576471), (2289, 549020), (2716, 462705), (2830, 444066), (2910, 431858), (3052, 411765), (3270, 384314), (3395, 370164), (3396, 370055), (3815, 329412), (3962, 317190), (4074, 308470), (4245, 296044), (4578, 274510), (5660, 222033), (5820, 215929), (5943, 211460), (6540, 192157), (6790, 185082), (7630, 164706), (7924, 158595), (8148, 154235), (8490, 148022), (9156, 137255), (9905, 126876), (10185, 123388), (10573, 118860), (11445, 109804), (11886, 105730), (13580, 92541), (15260, 82353), (16980, 74011), (19810, 63438), (20370, 61694), (21146, 59430), (22890, 54902), (23772, 52865), (27451, 45780), (29715, 42292), (30847, 40740), (31719, 39620)]