61745440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1069}}^1$

素因数の和:1122

約数の個数: 72

約数和(自身を含む): 154099260

約数和(自身を除く): 92353820

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1069, 1444, 1520, 1805, 2138, 2888, 3040, 3610, 4276, 5345, 5776, 7220, 8552, 10690, 11552, 14440, 17104, 20311, 21380, 28880, 34208, 40622, 42760, 57760, 81244, 85520, 101555, 162488, 171040, 203110, 324976, 385909, 406220, 649952, 771818, 812440, 1543636, 1624880, 1929545, 3087272, 3249760, 3859090, 6174544, 7718180, 12349088, 15436360, 30872720, 61745440]

約数ペア:

[(1, 61745440), (2, 30872720), (4, 15436360), (5, 12349088), (8, 7718180), (10, 6174544), (16, 3859090), (19, 3249760), (20, 3087272), (32, 1929545), (38, 1624880), (40, 1543636), (76, 812440), (80, 771818), (95, 649952), (152, 406220), (160, 385909), (190, 324976), (304, 203110), (361, 171040), (380, 162488), (608, 101555), (722, 85520), (760, 81244), (1069, 57760), (1444, 42760), (1520, 40622), (1805, 34208), (2138, 28880), (2888, 21380), (3040, 20311), (3610, 17104), (4276, 14440), (5345, 11552), (5776, 10690), (7220, 8552)]