7781580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2575

約数の個数: 72

約数和(自身を含む): 25002432

約数和(自身を除く): 17220852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 2543, 3060, 5086, 7629, 10172, 12715, 15258, 22887, 25430, 30516, 38145, 43231, 45774, 50860, 76290, 86462, 91548, 114435, 129693, 152580, 172924, 216155, 228870, 259386, 389079, 432310, 457740, 518772, 648465, 778158, 864620, 1296930, 1556316, 1945395, 2593860, 3890790, 7781580]

約数ペア:

[(1, 7781580), (2, 3890790), (3, 2593860), (4, 1945395), (5, 1556316), (6, 1296930), (9, 864620), (10, 778158), (12, 648465), (15, 518772), (17, 457740), (18, 432310), (20, 389079), (30, 259386), (34, 228870), (36, 216155), (45, 172924), (51, 152580), (60, 129693), (68, 114435), (85, 91548), (90, 86462), (102, 76290), (153, 50860), (170, 45774), (180, 43231), (204, 38145), (255, 30516), (306, 25430), (340, 22887), (510, 15258), (612, 12715), (765, 10172), (1020, 7629), (1530, 5086), (2543, 3060)]