127278540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{26189}}^1$

素因数の和:26213

約数の個数: 72

約数和(自身を含む): 400392720

約数和(自身を除く): 273114180

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, 810, 972, 1215, 1620, 2430, 4860, 26189, 52378, 78567, 104756, 130945, 157134, 235701, 261890, 314268, 392835, 471402, 523780, 707103, 785670, 942804, 1178505, 1414206, 1571340, 2121309, 2357010, 2828412, 3535515, 4242618, 4714020, 6363927, 7071030, 8485236, 10606545, 12727854, 14142060, 21213090, 25455708, 31819635, 42426180, 63639270, 127278540]

約数ペア:

[(1, 127278540), (2, 63639270), (3, 42426180), (4, 31819635), (5, 25455708), (6, 21213090), (9, 14142060), (10, 12727854), (12, 10606545), (15, 8485236), (18, 7071030), (20, 6363927), (27, 4714020), (30, 4242618), (36, 3535515), (45, 2828412), (54, 2357010), (60, 2121309), (81, 1571340), (90, 1414206), (108, 1178505), (135, 942804), (162, 785670), (180, 707103), (243, 523780), (270, 471402), (324, 392835), (405, 314268), (486, 261890), (540, 235701), (810, 157134), (972, 130945), (1215, 104756), (1620, 78567), (2430, 52378), (4860, 26189)]