15991968

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 29730912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 41, 48, 51, 68, 82, 96, 102, 123, 136, 164, 204, 239, 246, 272, 328, 408, 478, 492, 544, 656, 697, 717, 816, 956, 984, 1312, 1394, 1434, 1632, 1912, 1968, 2091, 2788, 2868, 3824, 3936, 4063, 4182, 5576, 5736, 7648, 8126, 8364, 9799, 11152, 11472, 12189, 16252, 16728, 19598, 22304, 22944, 24378, 29397, 32504, 33456, 39196, 48756, 58794, 65008, 66912, 78392, 97512, 117588, 130016, 156784, 166583, 195024, 235176, 313568, 333166, 390048, 470352, 499749, 666332, 940704, 999498, 1332664, 1998996, 2665328, 3997992, 5330656, 7995984, 15991968]

約数ペア:

[(1, 15991968), (2, 7995984), (3, 5330656), (4, 3997992), (6, 2665328), (8, 1998996), (12, 1332664), (16, 999498), (17, 940704), (24, 666332), (32, 499749), (34, 470352), (41, 390048), (48, 333166), (51, 313568), (68, 235176), (82, 195024), (96, 166583), (102, 156784), (123, 130016), (136, 117588), (164, 97512), (204, 78392), (239, 66912), (246, 65008), (272, 58794), (328, 48756), (408, 39196), (478, 33456), (492, 32504), (544, 29397), (656, 24378), (697, 22944), (717, 22304), (816, 19598), (956, 16728), (984, 16252), (1312, 12189), (1394, 11472), (1434, 11152), (1632, 9799), (1912, 8364), (1968, 8126), (2091, 7648), (2788, 5736), (2868, 5576), (3824, 4182), (3936, 4063)]