260774920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40493}}^1$

素因数の和:40534

約数の個数: 64

約数和(自身を含む): 699736320

約数和(自身を除く): 438961400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 40493, 80986, 161972, 202465, 283451, 323944, 404930, 566902, 809860, 931339, 1133804, 1417255, 1619720, 1862678, 2267608, 2834510, 3725356, 4656695, 5669020, 6519373, 7450712, 9313390, 11338040, 13038746, 18626780, 26077492, 32596865, 37253560, 52154984, 65193730, 130387460, 260774920]

約数ペア:

[(1, 260774920), (2, 130387460), (4, 65193730), (5, 52154984), (7, 37253560), (8, 32596865), (10, 26077492), (14, 18626780), (20, 13038746), (23, 11338040), (28, 9313390), (35, 7450712), (40, 6519373), (46, 5669020), (56, 4656695), (70, 3725356), (92, 2834510), (115, 2267608), (140, 1862678), (161, 1619720), (184, 1417255), (230, 1133804), (280, 931339), (322, 809860), (460, 566902), (644, 404930), (805, 323944), (920, 283451), (1288, 202465), (1610, 161972), (3220, 80986), (6440, 40493)]