16366720

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 23290880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 239, 320, 428, 478, 535, 640, 856, 956, 1070, 1195, 1712, 1912, 2140, 2390, 3424, 3824, 4280, 4780, 6848, 7648, 8560, 9560, 13696, 15296, 17120, 19120, 25573, 30592, 34240, 38240, 51146, 68480, 76480, 102292, 127865, 152960, 204584, 255730, 409168, 511460, 818336, 1022920, 1636672, 2045840, 3273344, 4091680, 8183360, 16366720]

約数ペア:

[(1, 16366720), (2, 8183360), (4, 4091680), (5, 3273344), (8, 2045840), (10, 1636672), (16, 1022920), (20, 818336), (32, 511460), (40, 409168), (64, 255730), (80, 204584), (107, 152960), (128, 127865), (160, 102292), (214, 76480), (239, 68480), (320, 51146), (428, 38240), (478, 34240), (535, 30592), (640, 25573), (856, 19120), (956, 17120), (1070, 15296), (1195, 13696), (1712, 9560), (1912, 8560), (2140, 7648), (2390, 6848), (3424, 4780), (3824, 4280)]