81405630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10163}}^1$

素因数の和:10265

約数の個数: 48

約数和(自身を含む): 214053840

約数和(自身を除く): 132648210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 4005, 8010, 10163, 20326, 30489, 50815, 60978, 91467, 101630, 152445, 182934, 304890, 457335, 904507, 914670, 1809014, 2713521, 4522535, 5427042, 8140563, 9045070, 13567605, 16281126, 27135210, 40702815, 81405630]

約数ペア:

[(1, 81405630), (2, 40702815), (3, 27135210), (5, 16281126), (6, 13567605), (9, 9045070), (10, 8140563), (15, 5427042), (18, 4522535), (30, 2713521), (45, 1809014), (89, 914670), (90, 904507), (178, 457335), (267, 304890), (445, 182934), (534, 152445), (801, 101630), (890, 91467), (1335, 60978), (1602, 50815), (2670, 30489), (4005, 20326), (8010, 10163)]