18478800

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 240

約数和(自身を含む): 69192000

約数和(自身を除く): 50713200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 29, 30, 36, 40, 45, 48, 50, 54, 58, 59, 60, 72, 75, 80, 87, 90, 100, 108, 116, 118, 120, 135, 144, 145, 150, 174, 177, 180, 200, 216, 225, 232, 236, 240, 261, 270, 290, 295, 300, 348, 354, 360, 400, 432, 435, 450, 464, 472, 522, 531, 540, 580, 590, 600, 675, 696, 708, 720, 725, 783, 870, 885, 900, 944, 1044, 1062, 1080, 1160, 1180, 1200, 1305, 1350, 1392, 1416, 1450, 1475, 1566, 1593, 1711, 1740, 1770, 1800, 2088, 2124, 2160, 2175, 2320, 2360, 2610, 2655, 2700, 2832, 2900, 2950, 3132, 3186, 3422, 3480, 3540, 3600, 3915, 4176, 4248, 4350, 4425, 4720, 5133, 5220, 5310, 5400, 5800, 5900, 6264, 6372, 6525, 6844, 6960, 7080, 7830, 7965, 8496, 8555, 8700, 8850, 10266, 10440, 10620, 10800, 11600, 11800, 12528, 12744, 13050, 13275, 13688, 14160, 15399, 15660, 15930, 17110, 17400, 17700, 19575, 20532, 20880, 21240, 23600, 25488, 25665, 26100, 26550, 27376, 30798, 31320, 31860, 34220, 34800, 35400, 39150, 39825, 41064, 42480, 42775, 46197, 51330, 52200, 53100, 61596, 62640, 63720, 68440, 70800, 76995, 78300, 79650, 82128, 85550, 92394, 102660, 104400, 106200, 123192, 127440, 128325, 136880, 153990, 156600, 159300, 171100, 184788, 205320, 212400, 230985, 246384, 256650, 307980, 313200, 318600, 342200, 369576, 384975, 410640, 461970, 513300, 615960, 637200, 684400, 739152, 769950, 923940, 1026600, 1154925, 1231920, 1539900, 1847880, 2053200, 2309850, 3079800, 3695760, 4619700, 6159600, 9239400, 18478800]

約数ペア:

[(1, 18478800), (2, 9239400), (3, 6159600), (4, 4619700), (5, 3695760), (6, 3079800), (8, 2309850), (9, 2053200), (10, 1847880), (12, 1539900), (15, 1231920), (16, 1154925), (18, 1026600), (20, 923940), (24, 769950), (25, 739152), (27, 684400), (29, 637200), (30, 615960), (36, 513300), (40, 461970), (45, 410640), (48, 384975), (50, 369576), (54, 342200), (58, 318600), (59, 313200), (60, 307980), (72, 256650), (75, 246384), (80, 230985), (87, 212400), (90, 205320), (100, 184788), (108, 171100), (116, 159300), (118, 156600), (120, 153990), (135, 136880), (144, 128325), (145, 127440), (150, 123192), (174, 106200), (177, 104400), (180, 102660), (200, 92394), (216, 85550), (225, 82128), (232, 79650), (236, 78300), (240, 76995), (261, 70800), (270, 68440), (290, 63720), (295, 62640), (300, 61596), (348, 53100), (354, 52200), (360, 51330), (400, 46197), (432, 42775), (435, 42480), (450, 41064), (464, 39825), (472, 39150), (522, 35400), (531, 34800), (540, 34220), (580, 31860), (590, 31320), (600, 30798), (675, 27376), (696, 26550), (708, 26100), (720, 25665), (725, 25488), (783, 23600), (870, 21240), (885, 20880), (900, 20532), (944, 19575), (1044, 17700), (1062, 17400), (1080, 17110), (1160, 15930), (1180, 15660), (1200, 15399), (1305, 14160), (1350, 13688), (1392, 13275), (1416, 13050), (1450, 12744), (1475, 12528), (1566, 11800), (1593, 11600), (1711, 10800), (1740, 10620), (1770, 10440), (1800, 10266), (2088, 8850), (2124, 8700), (2160, 8555), (2175, 8496), (2320, 7965), (2360, 7830), (2610, 7080), (2655, 6960), (2700, 6844), (2832, 6525), (2900, 6372), (2950, 6264), (3132, 5900), (3186, 5800), (3422, 5400), (3480, 5310), (3540, 5220), (3600, 5133), (3915, 4720), (4176, 4425), (4248, 4350)]