15964008

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 42240000

約数和(自身を除く): 26275992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 499, 516, 744, 998, 1032, 1333, 1497, 1996, 2666, 2994, 3992, 3999, 5332, 5988, 7998, 10664, 11976, 15469, 15996, 21457, 30938, 31992, 42914, 46407, 61876, 64371, 85828, 92814, 123752, 128742, 171656, 185628, 257484, 371256, 514968, 665167, 1330334, 1995501, 2660668, 3991002, 5321336, 7982004, 15964008]

約数ペア:

[(1, 15964008), (2, 7982004), (3, 5321336), (4, 3991002), (6, 2660668), (8, 1995501), (12, 1330334), (24, 665167), (31, 514968), (43, 371256), (62, 257484), (86, 185628), (93, 171656), (124, 128742), (129, 123752), (172, 92814), (186, 85828), (248, 64371), (258, 61876), (344, 46407), (372, 42914), (499, 31992), (516, 30938), (744, 21457), (998, 15996), (1032, 15469), (1333, 11976), (1497, 10664), (1996, 7998), (2666, 5988), (2994, 5332), (3992, 3999)]