28882920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21881}}^1$

素因数の和:21906

約数の個数: 64

約数和(自身を含む): 94530240

約数和(自身を除く): 65647320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21881, 43762, 65643, 87524, 109405, 131286, 175048, 218810, 240691, 262572, 328215, 437620, 481382, 525144, 656430, 722073, 875240, 962764, 1203455, 1312860, 1444146, 1925528, 2406910, 2625720, 2888292, 3610365, 4813820, 5776584, 7220730, 9627640, 14441460, 28882920]

約数ペア:

[(1, 28882920), (2, 14441460), (3, 9627640), (4, 7220730), (5, 5776584), (6, 4813820), (8, 3610365), (10, 2888292), (11, 2625720), (12, 2406910), (15, 1925528), (20, 1444146), (22, 1312860), (24, 1203455), (30, 962764), (33, 875240), (40, 722073), (44, 656430), (55, 525144), (60, 481382), (66, 437620), (88, 328215), (110, 262572), (120, 240691), (132, 218810), (165, 175048), (220, 131286), (264, 109405), (330, 87524), (440, 65643), (660, 43762), (1320, 21881)]