18011520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 64443600

約数和(自身を除く): 46432080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 59, 60, 64, 72, 80, 90, 96, 106, 118, 120, 128, 144, 159, 160, 177, 180, 192, 212, 236, 240, 265, 288, 295, 318, 320, 354, 360, 384, 424, 472, 477, 480, 530, 531, 576, 590, 636, 640, 708, 720, 795, 848, 885, 944, 954, 960, 1060, 1062, 1152, 1180, 1272, 1416, 1440, 1590, 1696, 1770, 1888, 1908, 1920, 2120, 2124, 2360, 2385, 2544, 2655, 2832, 2880, 3127, 3180, 3392, 3540, 3776, 3816, 4240, 4248, 4720, 4770, 5088, 5310, 5664, 5760, 6254, 6360, 6784, 7080, 7552, 7632, 8480, 8496, 9381, 9440, 9540, 10176, 10620, 11328, 12508, 12720, 14160, 15264, 15635, 16960, 16992, 18762, 18880, 19080, 20352, 21240, 22656, 25016, 25440, 28143, 28320, 30528, 31270, 33920, 33984, 37524, 37760, 38160, 42480, 46905, 50032, 50880, 56286, 56640, 61056, 62540, 67968, 75048, 76320, 84960, 93810, 100064, 101760, 112572, 113280, 125080, 140715, 150096, 152640, 169920, 187620, 200128, 225144, 250160, 281430, 300192, 305280, 339840, 375240, 400256, 450288, 500320, 562860, 600384, 750480, 900576, 1000640, 1125720, 1200768, 1500960, 1801152, 2001280, 2251440, 3001920, 3602304, 4502880, 6003840, 9005760, 18011520]

約数ペア:

[(1, 18011520), (2, 9005760), (3, 6003840), (4, 4502880), (5, 3602304), (6, 3001920), (8, 2251440), (9, 2001280), (10, 1801152), (12, 1500960), (15, 1200768), (16, 1125720), (18, 1000640), (20, 900576), (24, 750480), (30, 600384), (32, 562860), (36, 500320), (40, 450288), (45, 400256), (48, 375240), (53, 339840), (59, 305280), (60, 300192), (64, 281430), (72, 250160), (80, 225144), (90, 200128), (96, 187620), (106, 169920), (118, 152640), (120, 150096), (128, 140715), (144, 125080), (159, 113280), (160, 112572), (177, 101760), (180, 100064), (192, 93810), (212, 84960), (236, 76320), (240, 75048), (265, 67968), (288, 62540), (295, 61056), (318, 56640), (320, 56286), (354, 50880), (360, 50032), (384, 46905), (424, 42480), (472, 38160), (477, 37760), (480, 37524), (530, 33984), (531, 33920), (576, 31270), (590, 30528), (636, 28320), (640, 28143), (708, 25440), (720, 25016), (795, 22656), (848, 21240), (885, 20352), (944, 19080), (954, 18880), (960, 18762), (1060, 16992), (1062, 16960), (1152, 15635), (1180, 15264), (1272, 14160), (1416, 12720), (1440, 12508), (1590, 11328), (1696, 10620), (1770, 10176), (1888, 9540), (1908, 9440), (1920, 9381), (2120, 8496), (2124, 8480), (2360, 7632), (2385, 7552), (2544, 7080), (2655, 6784), (2832, 6360), (2880, 6254), (3127, 5760), (3180, 5664), (3392, 5310), (3540, 5088), (3776, 4770), (3816, 4720), (4240, 4248)]