816907980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{45233}}^1$

素因数の和:45295

約数の個数: 96

約数和(自身を含む): 2674957824

約数和(自身を除く): 1858049844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4515, 6020, 9030, 18060, 45233, 90466, 135699, 180932, 226165, 271398, 316631, 452330, 542796, 633262, 678495, 904660, 949893, 1266524, 1356990, 1583155, 1899786, 1945019, 2713980, 3166310, 3799572, 3890038, 4749465, 5835057, 6332620, 7780076, 9498930, 9725095, 11670114, 13615133, 18997860, 19450190, 23340228, 27230266, 29175285, 38900380, 40845399, 54460532, 58350570, 68075665, 81690798, 116701140, 136151330, 163381596, 204226995, 272302660, 408453990, 816907980]

約数ペア:

[(1, 816907980), (2, 408453990), (3, 272302660), (4, 204226995), (5, 163381596), (6, 136151330), (7, 116701140), (10, 81690798), (12, 68075665), (14, 58350570), (15, 54460532), (20, 40845399), (21, 38900380), (28, 29175285), (30, 27230266), (35, 23340228), (42, 19450190), (43, 18997860), (60, 13615133), (70, 11670114), (84, 9725095), (86, 9498930), (105, 7780076), (129, 6332620), (140, 5835057), (172, 4749465), (210, 3890038), (215, 3799572), (258, 3166310), (301, 2713980), (420, 1945019), (430, 1899786), (516, 1583155), (602, 1356990), (645, 1266524), (860, 949893), (903, 904660), (1204, 678495), (1290, 633262), (1505, 542796), (1806, 452330), (2580, 316631), (3010, 271398), (3612, 226165), (4515, 180932), (6020, 135699), (9030, 90466), (18060, 45233)]