15287216

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 38676096

約数和(自身を除く): 23388880

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 37, 49, 56, 62, 68, 74, 98, 112, 119, 124, 136, 148, 196, 217, 238, 248, 259, 272, 296, 392, 434, 476, 496, 518, 527, 592, 629, 784, 833, 868, 952, 1036, 1054, 1147, 1258, 1519, 1666, 1736, 1813, 1904, 2072, 2108, 2294, 2516, 3038, 3332, 3472, 3626, 3689, 4144, 4216, 4403, 4588, 5032, 6076, 6664, 7252, 7378, 8029, 8432, 8806, 9176, 10064, 12152, 13328, 14504, 14756, 16058, 17612, 18352, 19499, 24304, 25823, 29008, 29512, 30821, 32116, 35224, 38998, 51646, 56203, 59024, 61642, 64232, 70448, 77996, 103292, 112406, 123284, 128464, 136493, 155992, 206584, 224812, 246568, 272986, 311984, 413168, 449624, 493136, 545972, 899248, 955451, 1091944, 1910902, 2183888, 3821804, 7643608, 15287216]

約数ペア:

[(1, 15287216), (2, 7643608), (4, 3821804), (7, 2183888), (8, 1910902), (14, 1091944), (16, 955451), (17, 899248), (28, 545972), (31, 493136), (34, 449624), (37, 413168), (49, 311984), (56, 272986), (62, 246568), (68, 224812), (74, 206584), (98, 155992), (112, 136493), (119, 128464), (124, 123284), (136, 112406), (148, 103292), (196, 77996), (217, 70448), (238, 64232), (248, 61642), (259, 59024), (272, 56203), (296, 51646), (392, 38998), (434, 35224), (476, 32116), (496, 30821), (518, 29512), (527, 29008), (592, 25823), (629, 24304), (784, 19499), (833, 18352), (868, 17612), (952, 16058), (1036, 14756), (1054, 14504), (1147, 13328), (1258, 12152), (1519, 10064), (1666, 9176), (1736, 8806), (1813, 8432), (1904, 8029), (2072, 7378), (2108, 7252), (2294, 6664), (2516, 6076), (3038, 5032), (3332, 4588), (3472, 4403), (3626, 4216), (3689, 4144)]