81108540

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{5563}}^1$

素因数の和:5590

約数の個数: 84

約数和(自身を含む): 255420984

約数和(自身を除く): 174312444

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, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 5563, 7290, 11126, 14580, 16689, 22252, 27815, 33378, 50067, 55630, 66756, 83445, 100134, 111260, 150201, 166890, 200268, 250335, 300402, 333780, 450603, 500670, 600804, 751005, 901206, 1001340, 1351809, 1502010, 1802412, 2253015, 2703618, 3004020, 4055427, 4506030, 5407236, 6759045, 8110854, 9012060, 13518090, 16221708, 20277135, 27036180, 40554270, 81108540]

約数ペア:

[(1, 81108540), (2, 40554270), (3, 27036180), (4, 20277135), (5, 16221708), (6, 13518090), (9, 9012060), (10, 8110854), (12, 6759045), (15, 5407236), (18, 4506030), (20, 4055427), (27, 3004020), (30, 2703618), (36, 2253015), (45, 1802412), (54, 1502010), (60, 1351809), (81, 1001340), (90, 901206), (108, 751005), (135, 600804), (162, 500670), (180, 450603), (243, 333780), (270, 300402), (324, 250335), (405, 200268), (486, 166890), (540, 150201), (729, 111260), (810, 100134), (972, 83445), (1215, 66756), (1458, 55630), (1620, 50067), (2430, 33378), (2916, 27815), (3645, 22252), (4860, 16689), (5563, 14580), (7290, 11126)]