80941520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 222842880

約数和(自身を除く): 141901360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 47, 55, 76, 80, 88, 94, 95, 103, 110, 152, 176, 188, 190, 206, 209, 220, 235, 304, 376, 380, 412, 418, 440, 470, 515, 517, 752, 760, 824, 836, 880, 893, 940, 1030, 1034, 1045, 1133, 1520, 1648, 1672, 1786, 1880, 1957, 2060, 2068, 2090, 2266, 2585, 3344, 3572, 3760, 3914, 4120, 4136, 4180, 4465, 4532, 4841, 5170, 5665, 7144, 7828, 8240, 8272, 8360, 8930, 9064, 9682, 9785, 9823, 10340, 11330, 14288, 15656, 16720, 17860, 18128, 19364, 19570, 19646, 20680, 21527, 22660, 24205, 31312, 35720, 38728, 39140, 39292, 41360, 43054, 45320, 48410, 49115, 53251, 71440, 77456, 78280, 78584, 86108, 90640, 91979, 96820, 98230, 106502, 107635, 156560, 157168, 172216, 183958, 193640, 196460, 213004, 215270, 266255, 344432, 367916, 387280, 392920, 426008, 430540, 459895, 532510, 735832, 785840, 852016, 861080, 919790, 1011769, 1065020, 1471664, 1722160, 1839580, 2023538, 2130040, 3679160, 4047076, 4260080, 5058845, 7358320, 8094152, 10117690, 16188304, 20235380, 40470760, 80941520]

約数ペア:

[(1, 80941520), (2, 40470760), (4, 20235380), (5, 16188304), (8, 10117690), (10, 8094152), (11, 7358320), (16, 5058845), (19, 4260080), (20, 4047076), (22, 3679160), (38, 2130040), (40, 2023538), (44, 1839580), (47, 1722160), (55, 1471664), (76, 1065020), (80, 1011769), (88, 919790), (94, 861080), (95, 852016), (103, 785840), (110, 735832), (152, 532510), (176, 459895), (188, 430540), (190, 426008), (206, 392920), (209, 387280), (220, 367916), (235, 344432), (304, 266255), (376, 215270), (380, 213004), (412, 196460), (418, 193640), (440, 183958), (470, 172216), (515, 157168), (517, 156560), (752, 107635), (760, 106502), (824, 98230), (836, 96820), (880, 91979), (893, 90640), (940, 86108), (1030, 78584), (1034, 78280), (1045, 77456), (1133, 71440), (1520, 53251), (1648, 49115), (1672, 48410), (1786, 45320), (1880, 43054), (1957, 41360), (2060, 39292), (2068, 39140), (2090, 38728), (2266, 35720), (2585, 31312), (3344, 24205), (3572, 22660), (3760, 21527), (3914, 20680), (4120, 19646), (4136, 19570), (4180, 19364), (4465, 18128), (4532, 17860), (4841, 16720), (5170, 15656), (5665, 14288), (7144, 11330), (7828, 10340), (8240, 9823), (8272, 9785), (8360, 9682), (8930, 9064)]