81889380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50549}}^1$

素因数の和:50570

約数の個数: 60

約数和(自身を含む): 256895100

約数和(自身を除く): 175005720

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, 50549, 101098, 151647, 202196, 252745, 303294, 454941, 505490, 606588, 758235, 909882, 1010980, 1364823, 1516470, 1819764, 2274705, 2729646, 3032940, 4094469, 4549410, 5459292, 6824115, 8188938, 9098820, 13648230, 16377876, 20472345, 27296460, 40944690, 81889380]

約数ペア:

[(1, 81889380), (2, 40944690), (3, 27296460), (4, 20472345), (5, 16377876), (6, 13648230), (9, 9098820), (10, 8188938), (12, 6824115), (15, 5459292), (18, 4549410), (20, 4094469), (27, 3032940), (30, 2729646), (36, 2274705), (45, 1819764), (54, 1516470), (60, 1364823), (81, 1010980), (90, 909882), (108, 758235), (135, 606588), (162, 505490), (180, 454941), (270, 303294), (324, 252745), (405, 202196), (540, 151647), (810, 101098), (1620, 50549)]