68240992

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 72

約数和(自身を含む): 146682144

約数和(自身を除く): 78441152

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 68, 94, 136, 157, 188, 272, 289, 314, 376, 544, 578, 628, 752, 799, 1156, 1256, 1504, 1598, 2312, 2512, 2669, 3196, 4624, 5024, 5338, 6392, 7379, 9248, 10676, 12784, 13583, 14758, 21352, 25568, 27166, 29516, 42704, 45373, 54332, 59032, 85408, 90746, 108664, 118064, 125443, 181492, 217328, 236128, 250886, 362984, 434656, 501772, 725968, 1003544, 1451936, 2007088, 2132531, 4014176, 4265062, 8530124, 17060248, 34120496, 68240992]

約数ペア:

[(1, 68240992), (2, 34120496), (4, 17060248), (8, 8530124), (16, 4265062), (17, 4014176), (32, 2132531), (34, 2007088), (47, 1451936), (68, 1003544), (94, 725968), (136, 501772), (157, 434656), (188, 362984), (272, 250886), (289, 236128), (314, 217328), (376, 181492), (544, 125443), (578, 118064), (628, 108664), (752, 90746), (799, 85408), (1156, 59032), (1256, 54332), (1504, 45373), (1598, 42704), (2312, 29516), (2512, 27166), (2669, 25568), (3196, 21352), (4624, 14758), (5024, 13583), (5338, 12784), (6392, 10676), (7379, 9248)]