16891920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 120

約数和(自身を含む): 58757400

約数和(自身を除く): 41865480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 809, 870, 1044, 1160, 1305, 1392, 1618, 1740, 2088, 2320, 2427, 2610, 3236, 3480, 4045, 4176, 4854, 5220, 6472, 6960, 7281, 8090, 9708, 10440, 12135, 12944, 14562, 16180, 19416, 20880, 23461, 24270, 29124, 32360, 36405, 38832, 46922, 48540, 58248, 64720, 70383, 72810, 93844, 97080, 116496, 117305, 140766, 145620, 187688, 194160, 211149, 234610, 281532, 291240, 351915, 375376, 422298, 469220, 563064, 582480, 703830, 844596, 938440, 1055745, 1126128, 1407660, 1689192, 1876880, 2111490, 2815320, 3378384, 4222980, 5630640, 8445960, 16891920]

約数ペア:

[(1, 16891920), (2, 8445960), (3, 5630640), (4, 4222980), (5, 3378384), (6, 2815320), (8, 2111490), (9, 1876880), (10, 1689192), (12, 1407660), (15, 1126128), (16, 1055745), (18, 938440), (20, 844596), (24, 703830), (29, 582480), (30, 563064), (36, 469220), (40, 422298), (45, 375376), (48, 351915), (58, 291240), (60, 281532), (72, 234610), (80, 211149), (87, 194160), (90, 187688), (116, 145620), (120, 140766), (144, 117305), (145, 116496), (174, 97080), (180, 93844), (232, 72810), (240, 70383), (261, 64720), (290, 58248), (348, 48540), (360, 46922), (435, 38832), (464, 36405), (522, 32360), (580, 29124), (696, 24270), (720, 23461), (809, 20880), (870, 19416), (1044, 16180), (1160, 14562), (1305, 12944), (1392, 12135), (1618, 10440), (1740, 9708), (2088, 8090), (2320, 7281), (2427, 6960), (2610, 6472), (3236, 5220), (3480, 4854), (4045, 4176)]