78893360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10837}}^1$

素因数の和:10870

約数の個数: 80

約数和(自身を含む): 225777216

約数和(自身を除く): 146883856

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 10837, 21674, 43348, 54185, 75859, 86696, 108370, 140881, 151718, 173392, 216740, 281762, 303436, 379295, 433480, 563524, 606872, 704405, 758590, 866960, 986167, 1127048, 1213744, 1408810, 1517180, 1972334, 2254096, 2817620, 3034360, 3944668, 4930835, 5635240, 6068720, 7889336, 9861670, 11270480, 15778672, 19723340, 39446680, 78893360]

約数ペア:

[(1, 78893360), (2, 39446680), (4, 19723340), (5, 15778672), (7, 11270480), (8, 9861670), (10, 7889336), (13, 6068720), (14, 5635240), (16, 4930835), (20, 3944668), (26, 3034360), (28, 2817620), (35, 2254096), (40, 1972334), (52, 1517180), (56, 1408810), (65, 1213744), (70, 1127048), (80, 986167), (91, 866960), (104, 758590), (112, 704405), (130, 606872), (140, 563524), (182, 433480), (208, 379295), (260, 303436), (280, 281762), (364, 216740), (455, 173392), (520, 151718), (560, 140881), (728, 108370), (910, 86696), (1040, 75859), (1456, 54185), (1820, 43348), (3640, 21674), (7280, 10837)]