82783760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 204897600

約数和(自身を除く): 122113840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 107, 152, 190, 214, 304, 380, 428, 509, 535, 760, 856, 1018, 1070, 1520, 1712, 2033, 2036, 2140, 2545, 4066, 4072, 4280, 5090, 8132, 8144, 8560, 9671, 10165, 10180, 16264, 19342, 20330, 20360, 32528, 38684, 40660, 40720, 48355, 54463, 77368, 81320, 96710, 108926, 154736, 162640, 193420, 217852, 272315, 386840, 435704, 544630, 773680, 871408, 1034797, 1089260, 2069594, 2178520, 4139188, 4357040, 5173985, 8278376, 10347970, 16556752, 20695940, 41391880, 82783760]

約数ペア:

[(1, 82783760), (2, 41391880), (4, 20695940), (5, 16556752), (8, 10347970), (10, 8278376), (16, 5173985), (19, 4357040), (20, 4139188), (38, 2178520), (40, 2069594), (76, 1089260), (80, 1034797), (95, 871408), (107, 773680), (152, 544630), (190, 435704), (214, 386840), (304, 272315), (380, 217852), (428, 193420), (509, 162640), (535, 154736), (760, 108926), (856, 96710), (1018, 81320), (1070, 77368), (1520, 54463), (1712, 48355), (2033, 40720), (2036, 40660), (2140, 38684), (2545, 32528), (4066, 20360), (4072, 20330), (4280, 19342), (5090, 16264), (8132, 10180), (8144, 10165), (8560, 9671)]