1218548480

素因数分解:

$2^8\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3539}}^1$

素因数の和:3829

約数の個数: 72

約数和(自身を含む): 2930482800

約数和(自身を除く): 1711934320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 538, 640, 1076, 1280, 1345, 2152, 2690, 3539, 4304, 5380, 7078, 8608, 10760, 14156, 17216, 17695, 21520, 28312, 34432, 35390, 43040, 56624, 68864, 70780, 86080, 113248, 141560, 172160, 226496, 283120, 344320, 452992, 566240, 905984, 951991, 1132480, 1903982, 2264960, 3807964, 4529920, 4759955, 7615928, 9519910, 15231856, 19039820, 30463712, 38079640, 60927424, 76159280, 121854848, 152318560, 243709696, 304637120, 609274240, 1218548480]

約数ペア:

[(1, 1218548480), (2, 609274240), (4, 304637120), (5, 243709696), (8, 152318560), (10, 121854848), (16, 76159280), (20, 60927424), (32, 38079640), (40, 30463712), (64, 19039820), (80, 15231856), (128, 9519910), (160, 7615928), (256, 4759955), (269, 4529920), (320, 3807964), (538, 2264960), (640, 1903982), (1076, 1132480), (1280, 951991), (1345, 905984), (2152, 566240), (2690, 452992), (3539, 344320), (4304, 283120), (5380, 226496), (7078, 172160), (8608, 141560), (10760, 113248), (14156, 86080), (17216, 70780), (17695, 68864), (21520, 56624), (28312, 43040), (34432, 35390)]