123785728

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:769

約数の個数: 80

約数和(自身を含む): 278910720

約数和(自身を除く): 155124992

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 512, 682, 704, 709, 992, 1364, 1408, 1418, 1984, 2728, 2816, 2836, 3968, 5456, 5632, 5672, 7799, 7936, 10912, 11344, 15598, 15872, 21824, 21979, 22688, 31196, 43648, 43958, 45376, 62392, 87296, 87916, 90752, 124784, 174592, 175832, 181504, 241769, 249568, 351664, 363008, 483538, 499136, 703328, 967076, 998272, 1406656, 1934152, 1996544, 2813312, 3868304, 3993088, 5626624, 7736608, 11253248, 15473216, 30946432, 61892864, 123785728]

約数ペア:

[(1, 123785728), (2, 61892864), (4, 30946432), (8, 15473216), (11, 11253248), (16, 7736608), (22, 5626624), (31, 3993088), (32, 3868304), (44, 2813312), (62, 1996544), (64, 1934152), (88, 1406656), (124, 998272), (128, 967076), (176, 703328), (248, 499136), (256, 483538), (341, 363008), (352, 351664), (496, 249568), (512, 241769), (682, 181504), (704, 175832), (709, 174592), (992, 124784), (1364, 90752), (1408, 87916), (1418, 87296), (1984, 62392), (2728, 45376), (2816, 43958), (2836, 43648), (3968, 31196), (5456, 22688), (5632, 21979), (5672, 21824), (7799, 15872), (7936, 15598), (10912, 11344)]