2180220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 7257600

約数和(自身を除く): 5077380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 179, 203, 210, 290, 348, 358, 406, 420, 435, 537, 580, 609, 716, 812, 870, 895, 1015, 1074, 1218, 1253, 1740, 1790, 2030, 2148, 2436, 2506, 2685, 3045, 3580, 3759, 4060, 5012, 5191, 5370, 6090, 6265, 7518, 10382, 10740, 12180, 12530, 15036, 15573, 18795, 20764, 25060, 25955, 31146, 36337, 37590, 51910, 62292, 72674, 75180, 77865, 103820, 109011, 145348, 155730, 181685, 218022, 311460, 363370, 436044, 545055, 726740, 1090110, 2180220]

約数ペア:

[(1, 2180220), (2, 1090110), (3, 726740), (4, 545055), (5, 436044), (6, 363370), (7, 311460), (10, 218022), (12, 181685), (14, 155730), (15, 145348), (20, 109011), (21, 103820), (28, 77865), (29, 75180), (30, 72674), (35, 62292), (42, 51910), (58, 37590), (60, 36337), (70, 31146), (84, 25955), (87, 25060), (105, 20764), (116, 18795), (140, 15573), (145, 15036), (174, 12530), (179, 12180), (203, 10740), (210, 10382), (290, 7518), (348, 6265), (358, 6090), (406, 5370), (420, 5191), (435, 5012), (537, 4060), (580, 3759), (609, 3580), (716, 3045), (812, 2685), (870, 2506), (895, 2436), (1015, 2148), (1074, 2030), (1218, 1790), (1253, 1740)]