54666180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1129}}^1$

素因数の和:1413

約数の個数: 72

約数和(自身を含む): 166584600

約数和(自身を除く): 111918420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1129, 1345, 1614, 2258, 2421, 2690, 3228, 3387, 4035, 4516, 4842, 5380, 5645, 6774, 8070, 9684, 10161, 11290, 12105, 13548, 16140, 16935, 20322, 22580, 24210, 33870, 40644, 48420, 50805, 67740, 101610, 203220, 303701, 607402, 911103, 1214804, 1518505, 1822206, 2733309, 3037010, 3644412, 4555515, 5466618, 6074020, 9111030, 10933236, 13666545, 18222060, 27333090, 54666180]

約数ペア:

[(1, 54666180), (2, 27333090), (3, 18222060), (4, 13666545), (5, 10933236), (6, 9111030), (9, 6074020), (10, 5466618), (12, 4555515), (15, 3644412), (18, 3037010), (20, 2733309), (30, 1822206), (36, 1518505), (45, 1214804), (60, 911103), (90, 607402), (180, 303701), (269, 203220), (538, 101610), (807, 67740), (1076, 50805), (1129, 48420), (1345, 40644), (1614, 33870), (2258, 24210), (2421, 22580), (2690, 20322), (3228, 16935), (3387, 16140), (4035, 13548), (4516, 12105), (4842, 11290), (5380, 10161), (5645, 9684), (6774, 8070)]