30980970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20249}}^1$

素因数の和:20279

約数の個数: 48

約数和(自身を含む): 85293000

約数和(自身を除く): 54312030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20249, 40498, 60747, 101245, 121494, 182241, 202490, 303735, 344233, 364482, 607470, 688466, 911205, 1032699, 1721165, 1822410, 2065398, 3098097, 3442330, 5163495, 6196194, 10326990, 15490485, 30980970]

約数ペア:

[(1, 30980970), (2, 15490485), (3, 10326990), (5, 6196194), (6, 5163495), (9, 3442330), (10, 3098097), (15, 2065398), (17, 1822410), (18, 1721165), (30, 1032699), (34, 911205), (45, 688466), (51, 607470), (85, 364482), (90, 344233), (102, 303735), (153, 202490), (170, 182241), (255, 121494), (306, 101245), (510, 60747), (765, 40498), (1530, 20249)]