215452920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2801}}^1$

素因数の和:3456

約数の個数: 64

約数和(自身を含む): 647598240

約数和(自身を除く): 432145320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 1282, 1923, 2564, 2801, 3205, 3846, 5128, 5602, 6410, 7692, 8403, 9615, 11204, 12820, 14005, 15384, 16806, 19230, 22408, 25640, 28010, 33612, 38460, 42015, 56020, 67224, 76920, 84030, 112040, 168060, 336120, 1795441, 3590882, 5386323, 7181764, 8977205, 10772646, 14363528, 17954410, 21545292, 26931615, 35908820, 43090584, 53863230, 71817640, 107726460, 215452920]

約数ペア:

[(1, 215452920), (2, 107726460), (3, 71817640), (4, 53863230), (5, 43090584), (6, 35908820), (8, 26931615), (10, 21545292), (12, 17954410), (15, 14363528), (20, 10772646), (24, 8977205), (30, 7181764), (40, 5386323), (60, 3590882), (120, 1795441), (641, 336120), (1282, 168060), (1923, 112040), (2564, 84030), (2801, 76920), (3205, 67224), (3846, 56020), (5128, 42015), (5602, 38460), (6410, 33612), (7692, 28010), (8403, 25640), (9615, 22408), (11204, 19230), (12820, 16806), (14005, 15384)]