81745872

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{487}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 228735360

約数和(自身を除く): 146989488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 269, 312, 487, 538, 624, 807, 974, 1076, 1461, 1614, 1948, 2152, 2922, 3228, 3497, 3896, 4304, 5844, 6331, 6456, 6994, 7792, 10491, 11688, 12662, 12912, 13988, 18993, 20982, 23376, 25324, 27976, 37986, 41964, 50648, 55952, 75972, 83928, 101296, 131003, 151944, 167856, 262006, 303888, 393009, 524012, 786018, 1048024, 1572036, 1703039, 2096048, 3144072, 3406078, 5109117, 6288144, 6812156, 10218234, 13624312, 20436468, 27248624, 40872936, 81745872]

約数ペア:

[(1, 81745872), (2, 40872936), (3, 27248624), (4, 20436468), (6, 13624312), (8, 10218234), (12, 6812156), (13, 6288144), (16, 5109117), (24, 3406078), (26, 3144072), (39, 2096048), (48, 1703039), (52, 1572036), (78, 1048024), (104, 786018), (156, 524012), (208, 393009), (269, 303888), (312, 262006), (487, 167856), (538, 151944), (624, 131003), (807, 101296), (974, 83928), (1076, 75972), (1461, 55952), (1614, 50648), (1948, 41964), (2152, 37986), (2922, 27976), (3228, 25324), (3497, 23376), (3896, 20982), (4304, 18993), (5844, 13988), (6331, 12912), (6456, 12662), (6994, 11688), (7792, 10491)]