1421834520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{743}}^1$

素因数の和:1225

約数の個数: 128

約数和(自身を含む): 4396861440

約数和(自身を除く): 2975026920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 431, 444, 555, 740, 743, 862, 888, 1110, 1293, 1480, 1486, 1724, 2155, 2220, 2229, 2586, 2972, 3448, 3715, 4310, 4440, 4458, 5172, 5944, 6465, 7430, 8620, 8916, 10344, 11145, 12930, 14860, 15947, 17240, 17832, 22290, 25860, 27491, 29720, 31894, 44580, 47841, 51720, 54982, 63788, 79735, 82473, 89160, 95682, 109964, 127576, 137455, 159470, 164946, 191364, 219928, 239205, 274910, 318940, 320233, 329892, 382728, 412365, 478410, 549820, 637880, 640466, 659784, 824730, 956820, 960699, 1099640, 1280932, 1601165, 1649460, 1913640, 1921398, 2561864, 3202330, 3298920, 3842796, 4803495, 6404660, 7685592, 9606990, 11848621, 12809320, 19213980, 23697242, 35545863, 38427960, 47394484, 59243105, 71091726, 94788968, 118486210, 142183452, 177729315, 236972420, 284366904, 355458630, 473944840, 710917260, 1421834520]

約数ペア:

[(1, 1421834520), (2, 710917260), (3, 473944840), (4, 355458630), (5, 284366904), (6, 236972420), (8, 177729315), (10, 142183452), (12, 118486210), (15, 94788968), (20, 71091726), (24, 59243105), (30, 47394484), (37, 38427960), (40, 35545863), (60, 23697242), (74, 19213980), (111, 12809320), (120, 11848621), (148, 9606990), (185, 7685592), (222, 6404660), (296, 4803495), (370, 3842796), (431, 3298920), (444, 3202330), (555, 2561864), (740, 1921398), (743, 1913640), (862, 1649460), (888, 1601165), (1110, 1280932), (1293, 1099640), (1480, 960699), (1486, 956820), (1724, 824730), (2155, 659784), (2220, 640466), (2229, 637880), (2586, 549820), (2972, 478410), (3448, 412365), (3715, 382728), (4310, 329892), (4440, 320233), (4458, 318940), (5172, 274910), (5944, 239205), (6465, 219928), (7430, 191364), (8620, 164946), (8916, 159470), (10344, 137455), (11145, 127576), (12930, 109964), (14860, 95682), (15947, 89160), (17240, 82473), (17832, 79735), (22290, 63788), (25860, 54982), (27491, 51720), (29720, 47841), (31894, 44580)]