123823980

素因数分解:

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

素因数の和:269

約数の個数: 216

約数和(自身を含む): 444422160

約数和(自身を除く): 320598180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 101, 105, 126, 139, 140, 147, 180, 196, 202, 210, 245, 252, 278, 294, 303, 315, 404, 417, 420, 441, 490, 505, 556, 588, 606, 630, 695, 707, 735, 834, 882, 909, 973, 980, 1010, 1212, 1251, 1260, 1390, 1414, 1470, 1515, 1668, 1764, 1818, 1946, 2020, 2085, 2121, 2205, 2502, 2780, 2828, 2919, 2940, 3030, 3535, 3636, 3892, 4170, 4242, 4410, 4545, 4865, 4949, 5004, 5838, 6060, 6255, 6363, 6811, 7070, 8340, 8484, 8757, 8820, 9090, 9730, 9898, 10605, 11676, 12510, 12726, 13622, 14039, 14140, 14595, 14847, 17514, 18180, 19460, 19796, 20433, 21210, 24745, 25020, 25452, 27244, 28078, 29190, 29694, 31815, 34055, 35028, 40866, 42117, 42420, 43785, 44541, 49490, 56156, 58380, 59388, 61299, 63630, 68110, 70195, 74235, 81732, 84234, 87570, 89082, 98273, 98980, 102165, 122598, 126351, 127260, 136220, 140390, 148470, 168468, 175140, 178164, 196546, 204330, 210585, 222705, 245196, 252702, 280780, 294819, 296940, 306495, 393092, 408660, 421170, 445410, 491365, 505404, 589638, 612990, 631755, 687911, 842340, 884457, 890820, 982730, 1179276, 1225980, 1263510, 1375822, 1474095, 1768914, 1965460, 2063733, 2527020, 2751644, 2948190, 3439555, 3537828, 4127466, 4422285, 5896380, 6191199, 6879110, 8254932, 8844570, 10318665, 12382398, 13758220, 17689140, 20637330, 24764796, 30955995, 41274660, 61911990, 123823980]

約数ペア:

[(1, 123823980), (2, 61911990), (3, 41274660), (4, 30955995), (5, 24764796), (6, 20637330), (7, 17689140), (9, 13758220), (10, 12382398), (12, 10318665), (14, 8844570), (15, 8254932), (18, 6879110), (20, 6191199), (21, 5896380), (28, 4422285), (30, 4127466), (35, 3537828), (36, 3439555), (42, 2948190), (45, 2751644), (49, 2527020), (60, 2063733), (63, 1965460), (70, 1768914), (84, 1474095), (90, 1375822), (98, 1263510), (101, 1225980), (105, 1179276), (126, 982730), (139, 890820), (140, 884457), (147, 842340), (180, 687911), (196, 631755), (202, 612990), (210, 589638), (245, 505404), (252, 491365), (278, 445410), (294, 421170), (303, 408660), (315, 393092), (404, 306495), (417, 296940), (420, 294819), (441, 280780), (490, 252702), (505, 245196), (556, 222705), (588, 210585), (606, 204330), (630, 196546), (695, 178164), (707, 175140), (735, 168468), (834, 148470), (882, 140390), (909, 136220), (973, 127260), (980, 126351), (1010, 122598), (1212, 102165), (1251, 98980), (1260, 98273), (1390, 89082), (1414, 87570), (1470, 84234), (1515, 81732), (1668, 74235), (1764, 70195), (1818, 68110), (1946, 63630), (2020, 61299), (2085, 59388), (2121, 58380), (2205, 56156), (2502, 49490), (2780, 44541), (2828, 43785), (2919, 42420), (2940, 42117), (3030, 40866), (3535, 35028), (3636, 34055), (3892, 31815), (4170, 29694), (4242, 29190), (4410, 28078), (4545, 27244), (4865, 25452), (4949, 25020), (5004, 24745), (5838, 21210), (6060, 20433), (6255, 19796), (6363, 19460), (6811, 18180), (7070, 17514), (8340, 14847), (8484, 14595), (8757, 14140), (8820, 14039), (9090, 13622), (9730, 12726), (9898, 12510), (10605, 11676)]