155814920

素因数分解:

$2^3\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{2707}}^1$

素因数の和:4157

約数の個数: 32

約数和(自身を含む): 350956800

約数和(自身を除く): 195141880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1439, 2707, 2878, 5414, 5756, 7195, 10828, 11512, 13535, 14390, 21656, 27070, 28780, 54140, 57560, 108280, 3895373, 7790746, 15581492, 19476865, 31162984, 38953730, 77907460, 155814920]

約数ペア:

[(1, 155814920), (2, 77907460), (4, 38953730), (5, 31162984), (8, 19476865), (10, 15581492), (20, 7790746), (40, 3895373), (1439, 108280), (2707, 57560), (2878, 54140), (5414, 28780), (5756, 27070), (7195, 21656), (10828, 14390), (11512, 13535)]