19541520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 160

約数和(自身を含む): 68745600

約数和(自身を除く): 49204080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 83, 90, 108, 109, 120, 135, 144, 166, 180, 216, 218, 240, 249, 270, 327, 332, 360, 415, 432, 436, 498, 540, 545, 654, 664, 720, 747, 830, 872, 981, 996, 1080, 1090, 1245, 1308, 1328, 1494, 1635, 1660, 1744, 1962, 1992, 2160, 2180, 2241, 2490, 2616, 2943, 2988, 3270, 3320, 3735, 3924, 3984, 4360, 4482, 4905, 4980, 5232, 5886, 5976, 6540, 6640, 7470, 7848, 8720, 8964, 9047, 9810, 9960, 11205, 11772, 11952, 13080, 14715, 14940, 15696, 17928, 18094, 19620, 19920, 22410, 23544, 26160, 27141, 29430, 29880, 35856, 36188, 39240, 44820, 45235, 47088, 54282, 58860, 59760, 72376, 78480, 81423, 89640, 90470, 108564, 117720, 135705, 144752, 162846, 179280, 180940, 217128, 235440, 244269, 271410, 325692, 361880, 407115, 434256, 488538, 542820, 651384, 723760, 814230, 977076, 1085640, 1221345, 1302768, 1628460, 1954152, 2171280, 2442690, 3256920, 3908304, 4885380, 6513840, 9770760, 19541520]

約数ペア:

[(1, 19541520), (2, 9770760), (3, 6513840), (4, 4885380), (5, 3908304), (6, 3256920), (8, 2442690), (9, 2171280), (10, 1954152), (12, 1628460), (15, 1302768), (16, 1221345), (18, 1085640), (20, 977076), (24, 814230), (27, 723760), (30, 651384), (36, 542820), (40, 488538), (45, 434256), (48, 407115), (54, 361880), (60, 325692), (72, 271410), (80, 244269), (83, 235440), (90, 217128), (108, 180940), (109, 179280), (120, 162846), (135, 144752), (144, 135705), (166, 117720), (180, 108564), (216, 90470), (218, 89640), (240, 81423), (249, 78480), (270, 72376), (327, 59760), (332, 58860), (360, 54282), (415, 47088), (432, 45235), (436, 44820), (498, 39240), (540, 36188), (545, 35856), (654, 29880), (664, 29430), (720, 27141), (747, 26160), (830, 23544), (872, 22410), (981, 19920), (996, 19620), (1080, 18094), (1090, 17928), (1245, 15696), (1308, 14940), (1328, 14715), (1494, 13080), (1635, 11952), (1660, 11772), (1744, 11205), (1962, 9960), (1992, 9810), (2160, 9047), (2180, 8964), (2241, 8720), (2490, 7848), (2616, 7470), (2943, 6640), (2988, 6540), (3270, 5976), (3320, 5886), (3735, 5232), (3924, 4980), (3984, 4905), (4360, 4482)]