15764440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 22337960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 239, 340, 388, 478, 485, 680, 776, 956, 970, 1195, 1649, 1912, 1940, 2390, 3298, 3880, 4063, 4780, 6596, 8126, 8245, 9560, 13192, 16252, 16490, 20315, 23183, 32504, 32980, 40630, 46366, 65960, 81260, 92732, 115915, 162520, 185464, 231830, 394111, 463660, 788222, 927320, 1576444, 1970555, 3152888, 3941110, 7882220, 15764440]

約数ペア:

[(1, 15764440), (2, 7882220), (4, 3941110), (5, 3152888), (8, 1970555), (10, 1576444), (17, 927320), (20, 788222), (34, 463660), (40, 394111), (68, 231830), (85, 185464), (97, 162520), (136, 115915), (170, 92732), (194, 81260), (239, 65960), (340, 46366), (388, 40630), (478, 32980), (485, 32504), (680, 23183), (776, 20315), (956, 16490), (970, 16252), (1195, 13192), (1649, 9560), (1912, 8245), (1940, 8126), (2390, 6596), (3298, 4780), (3880, 4063)]