278438640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1160161}}^1$

素因数の和:1160177

約数の個数: 40

約数和(自身を含む): 863160528

約数和(自身を除く): 584721888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1160161, 2320322, 3480483, 4640644, 5800805, 6960966, 9281288, 11601610, 13921932, 17402415, 18562576, 23203220, 27843864, 34804830, 46406440, 55687728, 69609660, 92812880, 139219320, 278438640]

約数ペア:

[(1, 278438640), (2, 139219320), (3, 92812880), (4, 69609660), (5, 55687728), (6, 46406440), (8, 34804830), (10, 27843864), (12, 23203220), (15, 18562576), (16, 17402415), (20, 13921932), (24, 11601610), (30, 9281288), (40, 6960966), (48, 5800805), (60, 4640644), (80, 3480483), (120, 2320322), (240, 1160161)]