1906220080

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 4478418720

約数和(自身を除く): 2572198640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 283, 313, 538, 566, 626, 1076, 1132, 1252, 1345, 1415, 1565, 2152, 2264, 2504, 2690, 2830, 3130, 4304, 4528, 5008, 5380, 5660, 6260, 10760, 11320, 12520, 21520, 22640, 25040, 76127, 84197, 88579, 152254, 168394, 177158, 304508, 336788, 354316, 380635, 420985, 442895, 609016, 673576, 708632, 761270, 841970, 885790, 1218032, 1347152, 1417264, 1522540, 1683940, 1771580, 3045080, 3367880, 3543160, 6090160, 6735760, 7086320, 23827751, 47655502, 95311004, 119138755, 190622008, 238277510, 381244016, 476555020, 953110040, 1906220080]

約数ペア:

[(1, 1906220080), (2, 953110040), (4, 476555020), (5, 381244016), (8, 238277510), (10, 190622008), (16, 119138755), (20, 95311004), (40, 47655502), (80, 23827751), (269, 7086320), (283, 6735760), (313, 6090160), (538, 3543160), (566, 3367880), (626, 3045080), (1076, 1771580), (1132, 1683940), (1252, 1522540), (1345, 1417264), (1415, 1347152), (1565, 1218032), (2152, 885790), (2264, 841970), (2504, 761270), (2690, 708632), (2830, 673576), (3130, 609016), (4304, 442895), (4528, 420985), (5008, 380635), (5380, 354316), (5660, 336788), (6260, 304508), (10760, 177158), (11320, 168394), (12520, 152254), (21520, 88579), (22640, 84197), (25040, 76127)]