78485760

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{757}}^1$

素因数の和:790

約数の個数: 180

約数和(自身を含む): 281207388

約数和(自身を除く): 202721628

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 757, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1514, 1620, 1728, 1920, 2160, 2271, 2304, 2592, 2880, 3028, 3240, 3456, 3785, 3840, 4320, 4542, 5184, 5760, 6056, 6480, 6813, 6912, 7570, 8640, 9084, 10368, 11355, 11520, 12112, 12960, 13626, 15140, 17280, 18168, 20439, 20736, 22710, 24224, 25920, 27252, 30280, 34065, 34560, 36336, 40878, 45420, 48448, 51840, 54504, 60560, 61317, 68130, 72672, 81756, 90840, 96896, 102195, 103680, 109008, 121120, 122634, 136260, 145344, 163512, 181680, 193792, 204390, 218016, 242240, 245268, 272520, 290688, 306585, 327024, 363360, 408780, 436032, 484480, 490536, 545040, 581376, 613170, 654048, 726720, 817560, 872064, 968960, 981072, 1090080, 1226340, 1308096, 1453440, 1635120, 1744128, 1962144, 2180160, 2452680, 2616192, 2906880, 3270240, 3924288, 4360320, 4905360, 5232384, 6540480, 7848576, 8720640, 9810720, 13080960, 15697152, 19621440, 26161920, 39242880, 78485760]

約数ペア:

[(1, 78485760), (2, 39242880), (3, 26161920), (4, 19621440), (5, 15697152), (6, 13080960), (8, 9810720), (9, 8720640), (10, 7848576), (12, 6540480), (15, 5232384), (16, 4905360), (18, 4360320), (20, 3924288), (24, 3270240), (27, 2906880), (30, 2616192), (32, 2452680), (36, 2180160), (40, 1962144), (45, 1744128), (48, 1635120), (54, 1453440), (60, 1308096), (64, 1226340), (72, 1090080), (80, 981072), (81, 968960), (90, 872064), (96, 817560), (108, 726720), (120, 654048), (128, 613170), (135, 581376), (144, 545040), (160, 490536), (162, 484480), (180, 436032), (192, 408780), (216, 363360), (240, 327024), (256, 306585), (270, 290688), (288, 272520), (320, 245268), (324, 242240), (360, 218016), (384, 204390), (405, 193792), (432, 181680), (480, 163512), (540, 145344), (576, 136260), (640, 122634), (648, 121120), (720, 109008), (757, 103680), (768, 102195), (810, 96896), (864, 90840), (960, 81756), (1080, 72672), (1152, 68130), (1280, 61317), (1296, 60560), (1440, 54504), (1514, 51840), (1620, 48448), (1728, 45420), (1920, 40878), (2160, 36336), (2271, 34560), (2304, 34065), (2592, 30280), (2880, 27252), (3028, 25920), (3240, 24224), (3456, 22710), (3785, 20736), (3840, 20439), (4320, 18168), (4542, 17280), (5184, 15140), (5760, 13626), (6056, 12960), (6480, 12112), (6813, 11520), (6912, 11355), (7570, 10368), (8640, 9084)]