19621440

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{757}}^1$

素因数の和:786

約数の個数: 140

約数和(自身を含む): 69889116

約数和(自身を除く): 50267676

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 757, 810, 864, 960, 1080, 1296, 1440, 1514, 1620, 1728, 2160, 2271, 2592, 2880, 3028, 3240, 3785, 4320, 4542, 5184, 6056, 6480, 6813, 7570, 8640, 9084, 11355, 12112, 12960, 13626, 15140, 18168, 20439, 22710, 24224, 25920, 27252, 30280, 34065, 36336, 40878, 45420, 48448, 54504, 60560, 61317, 68130, 72672, 81756, 90840, 102195, 109008, 121120, 122634, 136260, 145344, 163512, 181680, 204390, 218016, 242240, 245268, 272520, 306585, 327024, 363360, 408780, 436032, 490536, 545040, 613170, 654048, 726720, 817560, 981072, 1090080, 1226340, 1308096, 1635120, 1962144, 2180160, 2452680, 3270240, 3924288, 4905360, 6540480, 9810720, 19621440]

約数ペア:

[(1, 19621440), (2, 9810720), (3, 6540480), (4, 4905360), (5, 3924288), (6, 3270240), (8, 2452680), (9, 2180160), (10, 1962144), (12, 1635120), (15, 1308096), (16, 1226340), (18, 1090080), (20, 981072), (24, 817560), (27, 726720), (30, 654048), (32, 613170), (36, 545040), (40, 490536), (45, 436032), (48, 408780), (54, 363360), (60, 327024), (64, 306585), (72, 272520), (80, 245268), (81, 242240), (90, 218016), (96, 204390), (108, 181680), (120, 163512), (135, 145344), (144, 136260), (160, 122634), (162, 121120), (180, 109008), (192, 102195), (216, 90840), (240, 81756), (270, 72672), (288, 68130), (320, 61317), (324, 60560), (360, 54504), (405, 48448), (432, 45420), (480, 40878), (540, 36336), (576, 34065), (648, 30280), (720, 27252), (757, 25920), (810, 24224), (864, 22710), (960, 20439), (1080, 18168), (1296, 15140), (1440, 13626), (1514, 12960), (1620, 12112), (1728, 11355), (2160, 9084), (2271, 8640), (2592, 7570), (2880, 6813), (3028, 6480), (3240, 6056), (3785, 5184), (4320, 4542)]