181621728

素因数分解:

$2^5\times 3^2\times {\mathrm{199}}^1\times {\mathrm{3169}}^1$

素因数の和:3384

約数の個数: 72

約数和(自身を含む): 519246000

約数和(自身を除く): 337624272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 199, 288, 398, 597, 796, 1194, 1592, 1791, 2388, 3169, 3184, 3582, 4776, 6338, 6368, 7164, 9507, 9552, 12676, 14328, 19014, 19104, 25352, 28521, 28656, 38028, 50704, 57042, 57312, 76056, 101408, 114084, 152112, 228168, 304224, 456336, 630631, 912672, 1261262, 1891893, 2522524, 3783786, 5045048, 5675679, 7567572, 10090096, 11351358, 15135144, 20180192, 22702716, 30270288, 45405432, 60540576, 90810864, 181621728]

約数ペア:

[(1, 181621728), (2, 90810864), (3, 60540576), (4, 45405432), (6, 30270288), (8, 22702716), (9, 20180192), (12, 15135144), (16, 11351358), (18, 10090096), (24, 7567572), (32, 5675679), (36, 5045048), (48, 3783786), (72, 2522524), (96, 1891893), (144, 1261262), (199, 912672), (288, 630631), (398, 456336), (597, 304224), (796, 228168), (1194, 152112), (1592, 114084), (1791, 101408), (2388, 76056), (3169, 57312), (3184, 57042), (3582, 50704), (4776, 38028), (6338, 28656), (6368, 28521), (7164, 25352), (9507, 19104), (9552, 19014), (12676, 14328)]