123747540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{859}}^1$

素因数の和:899

約数の個数: 120

約数和(自身を含む): 404688480

約数和(自身を除く): 280940940

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, 343, 420, 490, 588, 686, 735, 859, 980, 1029, 1372, 1470, 1715, 1718, 2058, 2401, 2577, 2940, 3430, 3436, 4116, 4295, 4802, 5145, 5154, 6013, 6860, 7203, 8590, 9604, 10290, 10308, 12005, 12026, 12885, 14406, 17180, 18039, 20580, 24010, 24052, 25770, 28812, 30065, 36015, 36078, 42091, 48020, 51540, 60130, 72030, 72156, 84182, 90195, 120260, 126273, 144060, 168364, 180390, 210455, 252546, 294637, 360780, 420910, 505092, 589274, 631365, 841820, 883911, 1178548, 1262730, 1473185, 1767822, 2062459, 2525460, 2946370, 3535644, 4124918, 4419555, 5892740, 6187377, 8249836, 8839110, 10312295, 12374754, 17678220, 20624590, 24749508, 30936885, 41249180, 61873770, 123747540]

約数ペア:

[(1, 123747540), (2, 61873770), (3, 41249180), (4, 30936885), (5, 24749508), (6, 20624590), (7, 17678220), (10, 12374754), (12, 10312295), (14, 8839110), (15, 8249836), (20, 6187377), (21, 5892740), (28, 4419555), (30, 4124918), (35, 3535644), (42, 2946370), (49, 2525460), (60, 2062459), (70, 1767822), (84, 1473185), (98, 1262730), (105, 1178548), (140, 883911), (147, 841820), (196, 631365), (210, 589274), (245, 505092), (294, 420910), (343, 360780), (420, 294637), (490, 252546), (588, 210455), (686, 180390), (735, 168364), (859, 144060), (980, 126273), (1029, 120260), (1372, 90195), (1470, 84182), (1715, 72156), (1718, 72030), (2058, 60130), (2401, 51540), (2577, 48020), (2940, 42091), (3430, 36078), (3436, 36015), (4116, 30065), (4295, 28812), (4802, 25770), (5145, 24052), (5154, 24010), (6013, 20580), (6860, 18039), (7203, 17180), (8590, 14406), (9604, 12885), (10290, 12026), (10308, 12005)]