87204420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1801}}^1$

素因数の和:2085

約数の個数: 72

約数和(自身を含む): 265650840

約数和(自身を除く): 178446420

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, 1345, 1614, 1801, 2421, 2690, 3228, 3602, 4035, 4842, 5380, 5403, 7204, 8070, 9005, 9684, 10806, 12105, 16140, 16209, 18010, 21612, 24210, 27015, 32418, 36020, 48420, 54030, 64836, 81045, 108060, 162090, 324180, 484469, 968938, 1453407, 1937876, 2422345, 2906814, 4360221, 4844690, 5813628, 7267035, 8720442, 9689380, 14534070, 17440884, 21801105, 29068140, 43602210, 87204420]

約数ペア:

[(1, 87204420), (2, 43602210), (3, 29068140), (4, 21801105), (5, 17440884), (6, 14534070), (9, 9689380), (10, 8720442), (12, 7267035), (15, 5813628), (18, 4844690), (20, 4360221), (30, 2906814), (36, 2422345), (45, 1937876), (60, 1453407), (90, 968938), (180, 484469), (269, 324180), (538, 162090), (807, 108060), (1076, 81045), (1345, 64836), (1614, 54030), (1801, 48420), (2421, 36020), (2690, 32418), (3228, 27015), (3602, 24210), (4035, 21612), (4842, 18010), (5380, 16209), (5403, 16140), (7204, 12105), (8070, 10806), (9005, 9684)]