51675720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1301}}^1$

素因数の和:1646

約数の個数: 64

約数和(自身を含む): 155615040

約数和(自身を除く): 103939320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1301, 1324, 1655, 1986, 2602, 2648, 3310, 3903, 3972, 4965, 5204, 6505, 6620, 7806, 7944, 9930, 10408, 13010, 13240, 15612, 19515, 19860, 26020, 31224, 39030, 39720, 52040, 78060, 156120, 430631, 861262, 1291893, 1722524, 2153155, 2583786, 3445048, 4306310, 5167572, 6459465, 8612620, 10335144, 12918930, 17225240, 25837860, 51675720]

約数ペア:

[(1, 51675720), (2, 25837860), (3, 17225240), (4, 12918930), (5, 10335144), (6, 8612620), (8, 6459465), (10, 5167572), (12, 4306310), (15, 3445048), (20, 2583786), (24, 2153155), (30, 1722524), (40, 1291893), (60, 861262), (120, 430631), (331, 156120), (662, 78060), (993, 52040), (1301, 39720), (1324, 39030), (1655, 31224), (1986, 26020), (2602, 19860), (2648, 19515), (3310, 15612), (3903, 13240), (3972, 13010), (4965, 10408), (5204, 9930), (6505, 7944), (6620, 7806)]