78670620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2153}}^1$

素因数の和:2204

約数の個数: 144

約数和(自身を含む): 282260160

約数和(自身を除く): 203589540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2153, 2436, 2610, 3045, 3654, 4060, 4306, 5220, 6090, 6459, 7308, 8612, 9135, 10765, 12180, 12918, 15071, 18270, 19377, 21530, 25836, 30142, 32295, 36540, 38754, 43060, 45213, 60284, 62437, 64590, 75355, 77508, 90426, 96885, 124874, 129180, 135639, 150710, 180852, 187311, 193770, 226065, 249748, 271278, 301420, 312185, 374622, 387540, 437059, 452130, 542556, 561933, 624370, 678195, 749244, 874118, 904260, 936555, 1123866, 1248740, 1311177, 1356390, 1748236, 1873110, 2185295, 2247732, 2622354, 2712780, 2809665, 3746220, 3933531, 4370590, 5244708, 5619330, 6555885, 7867062, 8741180, 11238660, 13111770, 15734124, 19667655, 26223540, 39335310, 78670620]

約数ペア:

[(1, 78670620), (2, 39335310), (3, 26223540), (4, 19667655), (5, 15734124), (6, 13111770), (7, 11238660), (9, 8741180), (10, 7867062), (12, 6555885), (14, 5619330), (15, 5244708), (18, 4370590), (20, 3933531), (21, 3746220), (28, 2809665), (29, 2712780), (30, 2622354), (35, 2247732), (36, 2185295), (42, 1873110), (45, 1748236), (58, 1356390), (60, 1311177), (63, 1248740), (70, 1123866), (84, 936555), (87, 904260), (90, 874118), (105, 749244), (116, 678195), (126, 624370), (140, 561933), (145, 542556), (174, 452130), (180, 437059), (203, 387540), (210, 374622), (252, 312185), (261, 301420), (290, 271278), (315, 249748), (348, 226065), (406, 193770), (420, 187311), (435, 180852), (522, 150710), (580, 135639), (609, 129180), (630, 124874), (812, 96885), (870, 90426), (1015, 77508), (1044, 75355), (1218, 64590), (1260, 62437), (1305, 60284), (1740, 45213), (1827, 43060), (2030, 38754), (2153, 36540), (2436, 32295), (2610, 30142), (3045, 25836), (3654, 21530), (4060, 19377), (4306, 18270), (5220, 15071), (6090, 12918), (6459, 12180), (7308, 10765), (8612, 9135)]