81192900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{1123}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 236102944

約数和(自身を除く): 154910044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 241, 300, 482, 723, 964, 1123, 1205, 1446, 2246, 2410, 2892, 3369, 3615, 4492, 4820, 5615, 6025, 6738, 7230, 11230, 12050, 13476, 14460, 16845, 18075, 22460, 24100, 28075, 33690, 36150, 56150, 67380, 72300, 84225, 112300, 168450, 270643, 336900, 541286, 811929, 1082572, 1353215, 1623858, 2706430, 3247716, 4059645, 5412860, 6766075, 8119290, 13532150, 16238580, 20298225, 27064300, 40596450, 81192900]

約数ペア:

[(1, 81192900), (2, 40596450), (3, 27064300), (4, 20298225), (5, 16238580), (6, 13532150), (10, 8119290), (12, 6766075), (15, 5412860), (20, 4059645), (25, 3247716), (30, 2706430), (50, 1623858), (60, 1353215), (75, 1082572), (100, 811929), (150, 541286), (241, 336900), (300, 270643), (482, 168450), (723, 112300), (964, 84225), (1123, 72300), (1205, 67380), (1446, 56150), (2246, 36150), (2410, 33690), (2892, 28075), (3369, 24100), (3615, 22460), (4492, 18075), (4820, 16845), (5615, 14460), (6025, 13476), (6738, 12050), (7230, 11230)]