81909420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{1249}}^1$

素因数の和:2354

約数の個数: 48

約数和(自身を含む): 229740000

約数和(自身を除く): 147830580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1093, 1249, 2186, 2498, 3279, 3747, 4372, 4996, 5465, 6245, 6558, 7494, 10930, 12490, 13116, 14988, 16395, 18735, 21860, 24980, 32790, 37470, 65580, 74940, 1365157, 2730314, 4095471, 5460628, 6825785, 8190942, 13651570, 16381884, 20477355, 27303140, 40954710, 81909420]

約数ペア:

[(1, 81909420), (2, 40954710), (3, 27303140), (4, 20477355), (5, 16381884), (6, 13651570), (10, 8190942), (12, 6825785), (15, 5460628), (20, 4095471), (30, 2730314), (60, 1365157), (1093, 74940), (1249, 65580), (2186, 37470), (2498, 32790), (3279, 24980), (3747, 21860), (4372, 18735), (4996, 16395), (5465, 14988), (6245, 13116), (6558, 12490), (7494, 10930)]