211748220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1297}}^1$

素因数の和:2219

約数の個数: 72

約数和(自身を含む): 643506864

約数和(自身を除く): 431758644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 907, 1297, 1814, 2594, 2721, 3628, 3891, 4535, 5188, 5442, 6485, 7782, 8163, 9070, 10884, 11673, 12970, 13605, 15564, 16326, 18140, 19455, 23346, 25940, 27210, 32652, 38910, 40815, 46692, 54420, 58365, 77820, 81630, 116730, 163260, 233460, 1176379, 2352758, 3529137, 4705516, 5881895, 7058274, 10587411, 11763790, 14116548, 17645685, 21174822, 23527580, 35291370, 42349644, 52937055, 70582740, 105874110, 211748220]

約数ペア:

[(1, 211748220), (2, 105874110), (3, 70582740), (4, 52937055), (5, 42349644), (6, 35291370), (9, 23527580), (10, 21174822), (12, 17645685), (15, 14116548), (18, 11763790), (20, 10587411), (30, 7058274), (36, 5881895), (45, 4705516), (60, 3529137), (90, 2352758), (180, 1176379), (907, 233460), (1297, 163260), (1814, 116730), (2594, 81630), (2721, 77820), (3628, 58365), (3891, 54420), (4535, 46692), (5188, 40815), (5442, 38910), (6485, 32652), (7782, 27210), (8163, 25940), (9070, 23346), (10884, 19455), (11673, 18140), (12970, 16326), (13605, 15564)]