77347260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{997}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 235400256

約数和(自身を除く): 158052996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 997, 1293, 1724, 1994, 2155, 2586, 2991, 3879, 3988, 4310, 4985, 5172, 5982, 6465, 7758, 8620, 8973, 9970, 11964, 12930, 14955, 15516, 17946, 19395, 19940, 25860, 29910, 35892, 38790, 44865, 59820, 77580, 89730, 179460, 429707, 859414, 1289121, 1718828, 2148535, 2578242, 3867363, 4297070, 5156484, 6445605, 7734726, 8594140, 12891210, 15469452, 19336815, 25782420, 38673630, 77347260]

約数ペア:

[(1, 77347260), (2, 38673630), (3, 25782420), (4, 19336815), (5, 15469452), (6, 12891210), (9, 8594140), (10, 7734726), (12, 6445605), (15, 5156484), (18, 4297070), (20, 3867363), (30, 2578242), (36, 2148535), (45, 1718828), (60, 1289121), (90, 859414), (180, 429707), (431, 179460), (862, 89730), (997, 77580), (1293, 59820), (1724, 44865), (1994, 38790), (2155, 35892), (2586, 29910), (2991, 25860), (3879, 19940), (3988, 19395), (4310, 17946), (4985, 15516), (5172, 14955), (5982, 12930), (6465, 11964), (7758, 9970), (8620, 8973)]