15640230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 41264640

約数和(自身を除く): 25624410

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1193, 1311, 2185, 2386, 2622, 3579, 4370, 5965, 6555, 7158, 11930, 13110, 17895, 22667, 27439, 35790, 45334, 54878, 68001, 82317, 113335, 136002, 137195, 164634, 226670, 274390, 340005, 411585, 521341, 680010, 823170, 1042682, 1564023, 2606705, 3128046, 5213410, 7820115, 15640230]

約数ペア:

[(1, 15640230), (2, 7820115), (3, 5213410), (5, 3128046), (6, 2606705), (10, 1564023), (15, 1042682), (19, 823170), (23, 680010), (30, 521341), (38, 411585), (46, 340005), (57, 274390), (69, 226670), (95, 164634), (114, 137195), (115, 136002), (138, 113335), (190, 82317), (230, 68001), (285, 54878), (345, 45334), (437, 35790), (570, 27439), (690, 22667), (874, 17895), (1193, 13110), (1311, 11930), (2185, 7158), (2386, 6555), (2622, 5965), (3579, 4370)]