15684320

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1$

素因数の和:1683

約数の個数: 48

約数和(自身を含む): 37685088

約数和(自身を除く): 22000768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1607, 1952, 2440, 3214, 4880, 6428, 8035, 9760, 12856, 16070, 25712, 32140, 51424, 64280, 98027, 128560, 196054, 257120, 392108, 490135, 784216, 980270, 1568432, 1960540, 3136864, 3921080, 7842160, 15684320]

約数ペア:

[(1, 15684320), (2, 7842160), (4, 3921080), (5, 3136864), (8, 1960540), (10, 1568432), (16, 980270), (20, 784216), (32, 490135), (40, 392108), (61, 257120), (80, 196054), (122, 128560), (160, 98027), (244, 64280), (305, 51424), (488, 32140), (610, 25712), (976, 16070), (1220, 12856), (1607, 9760), (1952, 8035), (2440, 6428), (3214, 4880)]