30872720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1069}}^1$

素因数の和:1120

約数の個数: 60

約数和(自身を含む): 75826620

約数和(自身を除く): 44953900

約数列:

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

約数ペア:

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