887656960

素因数分解:

$2^9\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1289}}^1$

素因数の和:1581

約数の個数: 80

約数和(自身を含む): 2137865400

約数和(自身を除く): 1250208440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 512, 538, 640, 1076, 1280, 1289, 1345, 2152, 2560, 2578, 2690, 4304, 5156, 5380, 6445, 8608, 10312, 10760, 12890, 17216, 20624, 21520, 25780, 34432, 41248, 43040, 51560, 68864, 82496, 86080, 103120, 137728, 164992, 172160, 206240, 329984, 344320, 346741, 412480, 659968, 688640, 693482, 824960, 1386964, 1649920, 1733705, 2773928, 3299840, 3467410, 5547856, 6934820, 11095712, 13869640, 22191424, 27739280, 44382848, 55478560, 88765696, 110957120, 177531392, 221914240, 443828480, 887656960]

約数ペア:

[(1, 887656960), (2, 443828480), (4, 221914240), (5, 177531392), (8, 110957120), (10, 88765696), (16, 55478560), (20, 44382848), (32, 27739280), (40, 22191424), (64, 13869640), (80, 11095712), (128, 6934820), (160, 5547856), (256, 3467410), (269, 3299840), (320, 2773928), (512, 1733705), (538, 1649920), (640, 1386964), (1076, 824960), (1280, 693482), (1289, 688640), (1345, 659968), (2152, 412480), (2560, 346741), (2578, 344320), (2690, 329984), (4304, 206240), (5156, 172160), (5380, 164992), (6445, 137728), (8608, 103120), (10312, 86080), (10760, 82496), (12890, 68864), (17216, 51560), (20624, 43040), (21520, 41248), (25780, 34432)]