51031320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1907}}^1$

素因数の和:2144

約数の個数: 64

約数和(自身を含む): 153861120

約数和(自身を除く): 102829800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1338, 1784, 1907, 2230, 2676, 3345, 3814, 4460, 5352, 5721, 6690, 7628, 8920, 9535, 11442, 13380, 15256, 19070, 22884, 26760, 28605, 38140, 45768, 57210, 76280, 114420, 228840, 425261, 850522, 1275783, 1701044, 2126305, 2551566, 3402088, 4252610, 5103132, 6378915, 8505220, 10206264, 12757830, 17010440, 25515660, 51031320]

約数ペア:

[(1, 51031320), (2, 25515660), (3, 17010440), (4, 12757830), (5, 10206264), (6, 8505220), (8, 6378915), (10, 5103132), (12, 4252610), (15, 3402088), (20, 2551566), (24, 2126305), (30, 1701044), (40, 1275783), (60, 850522), (120, 425261), (223, 228840), (446, 114420), (669, 76280), (892, 57210), (1115, 45768), (1338, 38140), (1784, 28605), (1907, 26760), (2230, 22884), (2676, 19070), (3345, 15256), (3814, 13380), (4460, 11442), (5352, 9535), (5721, 8920), (6690, 7628)]