2538240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{661}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 8118768

約数和(自身を除く): 5580528

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, 128, 160, 192, 240, 256, 320, 384, 480, 640, 661, 768, 960, 1280, 1322, 1920, 1983, 2644, 3305, 3840, 3966, 5288, 6610, 7932, 9915, 10576, 13220, 15864, 19830, 21152, 26440, 31728, 39660, 42304, 52880, 63456, 79320, 84608, 105760, 126912, 158640, 169216, 211520, 253824, 317280, 423040, 507648, 634560, 846080, 1269120, 2538240]

約数ペア:

[(1, 2538240), (2, 1269120), (3, 846080), (4, 634560), (5, 507648), (6, 423040), (8, 317280), (10, 253824), (12, 211520), (15, 169216), (16, 158640), (20, 126912), (24, 105760), (30, 84608), (32, 79320), (40, 63456), (48, 52880), (60, 42304), (64, 39660), (80, 31728), (96, 26440), (120, 21152), (128, 19830), (160, 15864), (192, 13220), (240, 10576), (256, 9915), (320, 7932), (384, 6610), (480, 5288), (640, 3966), (661, 3840), (768, 3305), (960, 2644), (1280, 1983), (1322, 1920)]