15512680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 37065600

約数和(自身を除く): 21552920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 311, 344, 430, 580, 622, 860, 1160, 1244, 1247, 1555, 1720, 2488, 2494, 3110, 4988, 6220, 6235, 9019, 9976, 12440, 12470, 13373, 18038, 24940, 26746, 36076, 45095, 49880, 53492, 66865, 72152, 90190, 106984, 133730, 180380, 267460, 360760, 387817, 534920, 775634, 1551268, 1939085, 3102536, 3878170, 7756340, 15512680]

約数ペア:

[(1, 15512680), (2, 7756340), (4, 3878170), (5, 3102536), (8, 1939085), (10, 1551268), (20, 775634), (29, 534920), (40, 387817), (43, 360760), (58, 267460), (86, 180380), (116, 133730), (145, 106984), (172, 90190), (215, 72152), (232, 66865), (290, 53492), (311, 49880), (344, 45095), (430, 36076), (580, 26746), (622, 24940), (860, 18038), (1160, 13373), (1244, 12470), (1247, 12440), (1555, 9976), (1720, 9019), (2488, 6235), (2494, 6220), (3110, 4988)]