65970540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21559}}^1$

素因数の和:21591

約数の個数: 72

約数和(自身を含む): 211891680

約数和(自身を除く): 145921140

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, 3060, 21559, 43118, 64677, 86236, 107795, 129354, 194031, 215590, 258708, 323385, 366503, 388062, 431180, 646770, 733006, 776124, 970155, 1099509, 1293540, 1466012, 1832515, 1940310, 2199018, 3298527, 3665030, 3880620, 4398036, 5497545, 6597054, 7330060, 10995090, 13194108, 16492635, 21990180, 32985270, 65970540]

約数ペア:

[(1, 65970540), (2, 32985270), (3, 21990180), (4, 16492635), (5, 13194108), (6, 10995090), (9, 7330060), (10, 6597054), (12, 5497545), (15, 4398036), (17, 3880620), (18, 3665030), (20, 3298527), (30, 2199018), (34, 1940310), (36, 1832515), (45, 1466012), (51, 1293540), (60, 1099509), (68, 970155), (85, 776124), (90, 733006), (102, 646770), (153, 431180), (170, 388062), (180, 366503), (204, 323385), (255, 258708), (306, 215590), (340, 194031), (510, 129354), (612, 107795), (765, 86236), (1020, 64677), (1530, 43118), (3060, 21559)]