15123428864

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{22159}}^1$

素因数の和:22251

約数の個数: 80

約数和(自身を含む): 31918909440

約数和(自身を除く): 16795480576

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 248, 256, 344, 496, 512, 688, 992, 1333, 1376, 1984, 2666, 2752, 3968, 5332, 5504, 7936, 10664, 11008, 15872, 21328, 22016, 22159, 42656, 44318, 85312, 88636, 170624, 177272, 341248, 354544, 682496, 686929, 709088, 952837, 1373858, 1418176, 1905674, 2747716, 2836352, 3811348, 5495432, 5672704, 7622696, 10990864, 11345408, 15245392, 21981728, 29537947, 30490784, 43963456, 59075894, 60981568, 87926912, 118151788, 121963136, 175853824, 236303576, 243926272, 351707648, 472607152, 487852544, 945214304, 1890428608, 3780857216, 7561714432, 15123428864]

約数ペア:

[(1, 15123428864), (2, 7561714432), (4, 3780857216), (8, 1890428608), (16, 945214304), (31, 487852544), (32, 472607152), (43, 351707648), (62, 243926272), (64, 236303576), (86, 175853824), (124, 121963136), (128, 118151788), (172, 87926912), (248, 60981568), (256, 59075894), (344, 43963456), (496, 30490784), (512, 29537947), (688, 21981728), (992, 15245392), (1333, 11345408), (1376, 10990864), (1984, 7622696), (2666, 5672704), (2752, 5495432), (3968, 3811348), (5332, 2836352), (5504, 2747716), (7936, 1905674), (10664, 1418176), (11008, 1373858), (15872, 952837), (21328, 709088), (22016, 686929), (22159, 682496), (42656, 354544), (44318, 341248), (85312, 177272), (88636, 170624)]