81192780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50119}}^1$

素因数の和:50140

約数の個数: 60

約数和(自身を含む): 254709840

約数和(自身を除く): 173517060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 50119, 100238, 150357, 200476, 250595, 300714, 451071, 501190, 601428, 751785, 902142, 1002380, 1353213, 1503570, 1804284, 2255355, 2706426, 3007140, 4059639, 4510710, 5412852, 6766065, 8119278, 9021420, 13532130, 16238556, 20298195, 27064260, 40596390, 81192780]

約数ペア:

[(1, 81192780), (2, 40596390), (3, 27064260), (4, 20298195), (5, 16238556), (6, 13532130), (9, 9021420), (10, 8119278), (12, 6766065), (15, 5412852), (18, 4510710), (20, 4059639), (27, 3007140), (30, 2706426), (36, 2255355), (45, 1804284), (54, 1503570), (60, 1353213), (81, 1002380), (90, 902142), (108, 751785), (135, 601428), (162, 501190), (180, 451071), (270, 300714), (324, 250595), (405, 200476), (540, 150357), (810, 100238), (1620, 50119)]