254458560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1082

約数の個数: 112

約数和(自身を含む): 811145952

約数和(自身を除く): 556687392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 401, 480, 661, 802, 960, 1203, 1322, 1604, 1983, 2005, 2406, 2644, 3208, 3305, 3966, 4010, 4812, 5288, 6015, 6416, 6610, 7932, 8020, 9624, 9915, 10576, 12030, 12832, 13220, 15864, 16040, 19248, 19830, 21152, 24060, 25664, 26440, 31728, 32080, 38496, 39660, 42304, 48120, 52880, 63456, 64160, 76992, 79320, 96240, 105760, 126912, 128320, 158640, 192480, 211520, 265061, 317280, 384960, 530122, 634560, 795183, 1060244, 1325305, 1590366, 2120488, 2650610, 3180732, 3975915, 4240976, 5301220, 6361464, 7951830, 8481952, 10602440, 12722928, 15903660, 16963904, 21204880, 25445856, 31807320, 42409760, 50891712, 63614640, 84819520, 127229280, 254458560]

約数ペア:

[(1, 254458560), (2, 127229280), (3, 84819520), (4, 63614640), (5, 50891712), (6, 42409760), (8, 31807320), (10, 25445856), (12, 21204880), (15, 16963904), (16, 15903660), (20, 12722928), (24, 10602440), (30, 8481952), (32, 7951830), (40, 6361464), (48, 5301220), (60, 4240976), (64, 3975915), (80, 3180732), (96, 2650610), (120, 2120488), (160, 1590366), (192, 1325305), (240, 1060244), (320, 795183), (401, 634560), (480, 530122), (661, 384960), (802, 317280), (960, 265061), (1203, 211520), (1322, 192480), (1604, 158640), (1983, 128320), (2005, 126912), (2406, 105760), (2644, 96240), (3208, 79320), (3305, 76992), (3966, 64160), (4010, 63456), (4812, 52880), (5288, 48120), (6015, 42304), (6416, 39660), (6610, 38496), (7932, 32080), (8020, 31728), (9624, 26440), (9915, 25664), (10576, 24060), (12030, 21152), (12832, 19830), (13220, 19248), (15864, 16040)]