20198976480

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{519521}}^1$

素因数の和:519551

約数の個数: 144

約数和(自身を含む): 71482071024

約数和(自身を除く): 51283094544

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 19440, 38880, 519521, 1039042, 1558563, 2078084, 2597605, 3117126, 4156168, 4675689, 5195210, 6234252, 7792815, 8312336, 9351378, 10390420, 12468504, 14027067, 15585630, 16624672, 18702756, 20780840, 23378445, 24937008, 28054134, 31171260, 37405512, 41561680, 42081201, 46756890, 49874016, 56108268, 62342520, 70135335, 74811024, 83123360, 84162402, 93513780, 112216536, 124685040, 126243603, 140270670, 149622048, 168324804, 187027560, 210406005, 224433072, 249370080, 252487206, 280541340, 336649608, 374055120, 420812010, 448866144, 504974412, 561082680, 631218015, 673299216, 748110240, 841624020, 1009948824, 1122165360, 1262436030, 1346598432, 1683248040, 2019897648, 2244330720, 2524872060, 3366496080, 4039795296, 5049744120, 6732992160, 10099488240, 20198976480]

約数ペア:

[(1, 20198976480), (2, 10099488240), (3, 6732992160), (4, 5049744120), (5, 4039795296), (6, 3366496080), (8, 2524872060), (9, 2244330720), (10, 2019897648), (12, 1683248040), (15, 1346598432), (16, 1262436030), (18, 1122165360), (20, 1009948824), (24, 841624020), (27, 748110240), (30, 673299216), (32, 631218015), (36, 561082680), (40, 504974412), (45, 448866144), (48, 420812010), (54, 374055120), (60, 336649608), (72, 280541340), (80, 252487206), (81, 249370080), (90, 224433072), (96, 210406005), (108, 187027560), (120, 168324804), (135, 149622048), (144, 140270670), (160, 126243603), (162, 124685040), (180, 112216536), (216, 93513780), (240, 84162402), (243, 83123360), (270, 74811024), (288, 70135335), (324, 62342520), (360, 56108268), (405, 49874016), (432, 46756890), (480, 42081201), (486, 41561680), (540, 37405512), (648, 31171260), (720, 28054134), (810, 24937008), (864, 23378445), (972, 20780840), (1080, 18702756), (1215, 16624672), (1296, 15585630), (1440, 14027067), (1620, 12468504), (1944, 10390420), (2160, 9351378), (2430, 8312336), (2592, 7792815), (3240, 6234252), (3888, 5195210), (4320, 4675689), (4860, 4156168), (6480, 3117126), (7776, 2597605), (9720, 2078084), (12960, 1558563), (19440, 1039042), (38880, 519521)]