204283980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4219}}^1$

素因数の和:4503

約数の個数: 72

約数和(自身を含む): 622112400

約数和(自身を除く): 417828420

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, 2421, 2690, 3228, 4035, 4219, 4842, 5380, 8070, 8438, 9684, 12105, 12657, 16140, 16876, 21095, 24210, 25314, 37971, 42190, 48420, 50628, 63285, 75942, 84380, 126570, 151884, 189855, 253140, 379710, 759420, 1134911, 2269822, 3404733, 4539644, 5674555, 6809466, 10214199, 11349110, 13618932, 17023665, 20428398, 22698220, 34047330, 40856796, 51070995, 68094660, 102141990, 204283980]

約数ペア:

[(1, 204283980), (2, 102141990), (3, 68094660), (4, 51070995), (5, 40856796), (6, 34047330), (9, 22698220), (10, 20428398), (12, 17023665), (15, 13618932), (18, 11349110), (20, 10214199), (30, 6809466), (36, 5674555), (45, 4539644), (60, 3404733), (90, 2269822), (180, 1134911), (269, 759420), (538, 379710), (807, 253140), (1076, 189855), (1345, 151884), (1614, 126570), (2421, 84380), (2690, 75942), (3228, 63285), (4035, 50628), (4219, 48420), (4842, 42190), (5380, 37971), (8070, 25314), (8438, 24210), (9684, 21095), (12105, 16876), (12657, 16140)]