85821540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29191}}^1$

素因数の和:29217

約数の個数: 72

約数和(自身を含む): 279542592

約数和(自身を除く): 193721052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 29191, 58382, 87573, 116764, 145955, 175146, 204337, 291910, 350292, 408674, 437865, 583820, 613011, 817348, 875730, 1021685, 1226022, 1430359, 1751460, 2043370, 2452044, 2860718, 3065055, 4086740, 4291077, 5721436, 6130110, 7151795, 8582154, 12260220, 14303590, 17164308, 21455385, 28607180, 42910770, 85821540]

約数ペア:

[(1, 85821540), (2, 42910770), (3, 28607180), (4, 21455385), (5, 17164308), (6, 14303590), (7, 12260220), (10, 8582154), (12, 7151795), (14, 6130110), (15, 5721436), (20, 4291077), (21, 4086740), (28, 3065055), (30, 2860718), (35, 2452044), (42, 2043370), (49, 1751460), (60, 1430359), (70, 1226022), (84, 1021685), (98, 875730), (105, 817348), (140, 613011), (147, 583820), (196, 437865), (210, 408674), (245, 350292), (294, 291910), (420, 204337), (490, 175146), (588, 145955), (735, 116764), (980, 87573), (1470, 58382), (2940, 29191)]