28539480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 90720000

約数和(自身を除く): 62180520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 59, 60, 87, 116, 118, 120, 139, 145, 174, 177, 232, 236, 278, 290, 295, 348, 354, 417, 435, 472, 556, 580, 590, 695, 696, 708, 834, 870, 885, 1112, 1160, 1180, 1390, 1416, 1668, 1711, 1740, 1770, 2085, 2360, 2780, 3336, 3422, 3480, 3540, 4031, 4170, 5133, 5560, 6844, 7080, 8062, 8201, 8340, 8555, 10266, 12093, 13688, 16124, 16402, 16680, 17110, 20155, 20532, 24186, 24603, 25665, 32248, 32804, 34220, 40310, 41005, 41064, 48372, 49206, 51330, 60465, 65608, 68440, 80620, 82010, 96744, 98412, 102660, 120930, 123015, 161240, 164020, 196824, 205320, 237829, 241860, 246030, 328040, 475658, 483720, 492060, 713487, 951316, 984120, 1189145, 1426974, 1902632, 2378290, 2853948, 3567435, 4756580, 5707896, 7134870, 9513160, 14269740, 28539480]

約数ペア:

[(1, 28539480), (2, 14269740), (3, 9513160), (4, 7134870), (5, 5707896), (6, 4756580), (8, 3567435), (10, 2853948), (12, 2378290), (15, 1902632), (20, 1426974), (24, 1189145), (29, 984120), (30, 951316), (40, 713487), (58, 492060), (59, 483720), (60, 475658), (87, 328040), (116, 246030), (118, 241860), (120, 237829), (139, 205320), (145, 196824), (174, 164020), (177, 161240), (232, 123015), (236, 120930), (278, 102660), (290, 98412), (295, 96744), (348, 82010), (354, 80620), (417, 68440), (435, 65608), (472, 60465), (556, 51330), (580, 49206), (590, 48372), (695, 41064), (696, 41005), (708, 40310), (834, 34220), (870, 32804), (885, 32248), (1112, 25665), (1160, 24603), (1180, 24186), (1390, 20532), (1416, 20155), (1668, 17110), (1711, 16680), (1740, 16402), (1770, 16124), (2085, 13688), (2360, 12093), (2780, 10266), (3336, 8555), (3422, 8340), (3480, 8201), (3540, 8062), (4031, 7080), (4170, 6844), (5133, 5560)]