20806468480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{108007}}^1$

素因数の和:108076

約数の個数: 128

約数和(自身を含む): 58168788480

約数和(自身を除く): 37362320000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 280, 301, 320, 344, 430, 448, 560, 602, 640, 688, 860, 896, 1120, 1204, 1376, 1505, 1720, 2240, 2408, 2752, 3010, 3440, 4480, 4816, 5504, 6020, 6880, 9632, 12040, 13760, 19264, 24080, 27520, 38528, 48160, 96320, 108007, 192640, 216014, 432028, 540035, 756049, 864056, 1080070, 1512098, 1728112, 2160140, 3024196, 3456224, 3780245, 4320280, 4644301, 6048392, 6912448, 7560490, 8640560, 9288602, 12096784, 13824896, 15120980, 17281120, 18577204, 23221505, 24193568, 30241960, 32510107, 34562240, 37154408, 46443010, 48387136, 60483920, 65020214, 69124480, 74308816, 92886020, 96774272, 120967840, 130040428, 148617632, 162550535, 185772040, 241935680, 260080856, 297235264, 325101070, 371544080, 483871360, 520161712, 594470528, 650202140, 743088160, 1040323424, 1300404280, 1486176320, 2080646848, 2600808560, 2972352640, 4161293696, 5201617120, 10403234240, 20806468480]

約数ペア:

[(1, 20806468480), (2, 10403234240), (4, 5201617120), (5, 4161293696), (7, 2972352640), (8, 2600808560), (10, 2080646848), (14, 1486176320), (16, 1300404280), (20, 1040323424), (28, 743088160), (32, 650202140), (35, 594470528), (40, 520161712), (43, 483871360), (56, 371544080), (64, 325101070), (70, 297235264), (80, 260080856), (86, 241935680), (112, 185772040), (128, 162550535), (140, 148617632), (160, 130040428), (172, 120967840), (215, 96774272), (224, 92886020), (280, 74308816), (301, 69124480), (320, 65020214), (344, 60483920), (430, 48387136), (448, 46443010), (560, 37154408), (602, 34562240), (640, 32510107), (688, 30241960), (860, 24193568), (896, 23221505), (1120, 18577204), (1204, 17281120), (1376, 15120980), (1505, 13824896), (1720, 12096784), (2240, 9288602), (2408, 8640560), (2752, 7560490), (3010, 6912448), (3440, 6048392), (4480, 4644301), (4816, 4320280), (5504, 3780245), (6020, 3456224), (6880, 3024196), (9632, 2160140), (12040, 1728112), (13760, 1512098), (19264, 1080070), (24080, 864056), (27520, 756049), (38528, 540035), (48160, 432028), (96320, 216014), (108007, 192640)]