17689140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 62375040

約数和(自身を除く): 44685900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 101, 105, 126, 139, 140, 180, 202, 210, 252, 278, 303, 315, 404, 417, 420, 505, 556, 606, 630, 695, 707, 834, 909, 973, 1010, 1212, 1251, 1260, 1390, 1414, 1515, 1668, 1818, 1946, 2020, 2085, 2121, 2502, 2780, 2828, 2919, 3030, 3535, 3636, 3892, 4170, 4242, 4545, 4865, 5004, 5838, 6060, 6255, 6363, 7070, 8340, 8484, 8757, 9090, 9730, 10605, 11676, 12510, 12726, 14039, 14140, 14595, 17514, 18180, 19460, 21210, 25020, 25452, 28078, 29190, 31815, 35028, 42117, 42420, 43785, 56156, 58380, 63630, 70195, 84234, 87570, 98273, 126351, 127260, 140390, 168468, 175140, 196546, 210585, 252702, 280780, 294819, 393092, 421170, 491365, 505404, 589638, 631755, 842340, 884457, 982730, 1179276, 1263510, 1474095, 1768914, 1965460, 2527020, 2948190, 3537828, 4422285, 5896380, 8844570, 17689140]

約数ペア:

[(1, 17689140), (2, 8844570), (3, 5896380), (4, 4422285), (5, 3537828), (6, 2948190), (7, 2527020), (9, 1965460), (10, 1768914), (12, 1474095), (14, 1263510), (15, 1179276), (18, 982730), (20, 884457), (21, 842340), (28, 631755), (30, 589638), (35, 505404), (36, 491365), (42, 421170), (45, 393092), (60, 294819), (63, 280780), (70, 252702), (84, 210585), (90, 196546), (101, 175140), (105, 168468), (126, 140390), (139, 127260), (140, 126351), (180, 98273), (202, 87570), (210, 84234), (252, 70195), (278, 63630), (303, 58380), (315, 56156), (404, 43785), (417, 42420), (420, 42117), (505, 35028), (556, 31815), (606, 29190), (630, 28078), (695, 25452), (707, 25020), (834, 21210), (909, 19460), (973, 18180), (1010, 17514), (1212, 14595), (1251, 14140), (1260, 14039), (1390, 12726), (1414, 12510), (1515, 11676), (1668, 10605), (1818, 9730), (1946, 9090), (2020, 8757), (2085, 8484), (2121, 8340), (2502, 7070), (2780, 6363), (2828, 6255), (2919, 6060), (3030, 5838), (3535, 5004), (3636, 4865), (3892, 4545), (4170, 4242)]