15978864

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 45961344

約数和(自身を除く): 29982480

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 53, 66, 88, 106, 132, 159, 176, 212, 264, 318, 424, 528, 571, 583, 636, 848, 1142, 1166, 1272, 1713, 1749, 2284, 2332, 2544, 3426, 3498, 4568, 4664, 6281, 6852, 6996, 9136, 9328, 12562, 13704, 13992, 18843, 25124, 27408, 27984, 30263, 37686, 50248, 60526, 75372, 90789, 100496, 121052, 150744, 181578, 242104, 301488, 332893, 363156, 484208, 665786, 726312, 998679, 1331572, 1452624, 1997358, 2663144, 3994716, 5326288, 7989432, 15978864]

約数ペア:

[(1, 15978864), (2, 7989432), (3, 5326288), (4, 3994716), (6, 2663144), (8, 1997358), (11, 1452624), (12, 1331572), (16, 998679), (22, 726312), (24, 665786), (33, 484208), (44, 363156), (48, 332893), (53, 301488), (66, 242104), (88, 181578), (106, 150744), (132, 121052), (159, 100496), (176, 90789), (212, 75372), (264, 60526), (318, 50248), (424, 37686), (528, 30263), (571, 27984), (583, 27408), (636, 25124), (848, 18843), (1142, 13992), (1166, 13704), (1272, 12562), (1713, 9328), (1749, 9136), (2284, 6996), (2332, 6852), (2544, 6281), (3426, 4664), (3498, 4568)]