1956551280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{31721}}^1$

素因数の和:31994

約数の個数: 80

約数和(自身を含む): 6089101344

約数和(自身を除く): 4132550064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 10280, 12336, 15420, 20560, 30840, 31721, 61680, 63442, 95163, 126884, 158605, 190326, 253768, 317210, 380652, 475815, 507536, 634420, 761304, 951630, 1268840, 1522608, 1903260, 2537680, 3806520, 7613040, 8152297, 16304594, 24456891, 32609188, 40761485, 48913782, 65218376, 81522970, 97827564, 122284455, 130436752, 163045940, 195655128, 244568910, 326091880, 391310256, 489137820, 652183760, 978275640, 1956551280]

約数ペア:

[(1, 1956551280), (2, 978275640), (3, 652183760), (4, 489137820), (5, 391310256), (6, 326091880), (8, 244568910), (10, 195655128), (12, 163045940), (15, 130436752), (16, 122284455), (20, 97827564), (24, 81522970), (30, 65218376), (40, 48913782), (48, 40761485), (60, 32609188), (80, 24456891), (120, 16304594), (240, 8152297), (257, 7613040), (514, 3806520), (771, 2537680), (1028, 1903260), (1285, 1522608), (1542, 1268840), (2056, 951630), (2570, 761304), (3084, 634420), (3855, 507536), (4112, 475815), (5140, 380652), (6168, 317210), (7710, 253768), (10280, 190326), (12336, 158605), (15420, 126884), (20560, 95163), (30840, 63442), (31721, 61680)]