72871020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{709}}^1$

素因数の和:1295

約数の個数: 72

約数和(自身を含む): 221741520

約数和(自身を除く): 148870500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 571, 709, 1142, 1418, 1713, 2127, 2284, 2836, 2855, 3426, 3545, 4254, 5139, 5710, 6381, 6852, 7090, 8508, 8565, 10278, 10635, 11420, 12762, 14180, 17130, 20556, 21270, 25524, 25695, 31905, 34260, 42540, 51390, 63810, 102780, 127620, 404839, 809678, 1214517, 1619356, 2024195, 2429034, 3643551, 4048390, 4858068, 6072585, 7287102, 8096780, 12145170, 14574204, 18217755, 24290340, 36435510, 72871020]

約数ペア:

[(1, 72871020), (2, 36435510), (3, 24290340), (4, 18217755), (5, 14574204), (6, 12145170), (9, 8096780), (10, 7287102), (12, 6072585), (15, 4858068), (18, 4048390), (20, 3643551), (30, 2429034), (36, 2024195), (45, 1619356), (60, 1214517), (90, 809678), (180, 404839), (571, 127620), (709, 102780), (1142, 63810), (1418, 51390), (1713, 42540), (2127, 34260), (2284, 31905), (2836, 25695), (2855, 25524), (3426, 21270), (3545, 20556), (4254, 17130), (5139, 14180), (5710, 12762), (6381, 11420), (6852, 10635), (7090, 10278), (8508, 8565)]