7904280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 23904000

約数和(自身を除く): 15999720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 331, 398, 597, 662, 796, 993, 995, 1194, 1324, 1592, 1655, 1986, 1990, 2388, 2648, 2985, 3310, 3972, 3980, 4776, 4965, 5970, 6620, 7944, 7960, 9930, 11940, 13240, 19860, 23880, 39720, 65869, 131738, 197607, 263476, 329345, 395214, 526952, 658690, 790428, 988035, 1317380, 1580856, 1976070, 2634760, 3952140, 7904280]

約数ペア:

[(1, 7904280), (2, 3952140), (3, 2634760), (4, 1976070), (5, 1580856), (6, 1317380), (8, 988035), (10, 790428), (12, 658690), (15, 526952), (20, 395214), (24, 329345), (30, 263476), (40, 197607), (60, 131738), (120, 65869), (199, 39720), (331, 23880), (398, 19860), (597, 13240), (662, 11940), (796, 9930), (993, 7960), (995, 7944), (1194, 6620), (1324, 5970), (1592, 4965), (1655, 4776), (1986, 3980), (1990, 3972), (2388, 3310), (2648, 2985)]