1719016960

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21715

約数の個数: 80

約数和(自身を含む): 4254763392

約数和(自身を除く): 2535746432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19840, 21661, 39680, 43322, 79360, 86644, 108305, 173288, 216610, 346576, 433220, 671491, 693152, 866440, 1342982, 1386304, 1732880, 2685964, 2772608, 3357455, 3465760, 5371928, 5545216, 6714910, 6931520, 10743856, 11090432, 13429820, 13863040, 21487712, 26859640, 27726080, 42975424, 53719280, 55452160, 85950848, 107438560, 171901696, 214877120, 343803392, 429754240, 859508480, 1719016960]

約数ペア:

[(1, 1719016960), (2, 859508480), (4, 429754240), (5, 343803392), (8, 214877120), (10, 171901696), (16, 107438560), (20, 85950848), (31, 55452160), (32, 53719280), (40, 42975424), (62, 27726080), (64, 26859640), (80, 21487712), (124, 13863040), (128, 13429820), (155, 11090432), (160, 10743856), (248, 6931520), (256, 6714910), (310, 5545216), (320, 5371928), (496, 3465760), (512, 3357455), (620, 2772608), (640, 2685964), (992, 1732880), (1240, 1386304), (1280, 1342982), (1984, 866440), (2480, 693152), (2560, 671491), (3968, 433220), (4960, 346576), (7936, 216610), (9920, 173288), (15872, 108305), (19840, 86644), (21661, 79360), (39680, 43322)]