15987664

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 24724016

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 683, 836, 1064, 1232, 1366, 1463, 1672, 2128, 2732, 2926, 3344, 4781, 5464, 5852, 7513, 9562, 10928, 11704, 12977, 15026, 19124, 23408, 25954, 30052, 38248, 51908, 52591, 60104, 76496, 90839, 103816, 105182, 120208, 142747, 181678, 207632, 210364, 285494, 363356, 420728, 570988, 726712, 841456, 999229, 1141976, 1453424, 1998458, 2283952, 3996916, 7993832, 15987664]

約数ペア:

[(1, 15987664), (2, 7993832), (4, 3996916), (7, 2283952), (8, 1998458), (11, 1453424), (14, 1141976), (16, 999229), (19, 841456), (22, 726712), (28, 570988), (38, 420728), (44, 363356), (56, 285494), (76, 210364), (77, 207632), (88, 181678), (112, 142747), (133, 120208), (152, 105182), (154, 103816), (176, 90839), (209, 76496), (266, 60104), (304, 52591), (308, 51908), (418, 38248), (532, 30052), (616, 25954), (683, 23408), (836, 19124), (1064, 15026), (1232, 12977), (1366, 11704), (1463, 10928), (1672, 9562), (2128, 7513), (2732, 5852), (2926, 5464), (3344, 4781)]