2439780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 8069376

約数和(自身を除く): 5629596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 157, 185, 210, 222, 259, 314, 370, 420, 444, 471, 518, 555, 628, 740, 777, 785, 942, 1036, 1099, 1110, 1295, 1554, 1570, 1884, 2198, 2220, 2355, 2590, 3108, 3140, 3297, 3885, 4396, 4710, 5180, 5495, 5809, 6594, 7770, 9420, 10990, 11618, 13188, 15540, 16485, 17427, 21980, 23236, 29045, 32970, 34854, 40663, 58090, 65940, 69708, 81326, 87135, 116180, 121989, 162652, 174270, 203315, 243978, 348540, 406630, 487956, 609945, 813260, 1219890, 2439780]

約数ペア:

[(1, 2439780), (2, 1219890), (3, 813260), (4, 609945), (5, 487956), (6, 406630), (7, 348540), (10, 243978), (12, 203315), (14, 174270), (15, 162652), (20, 121989), (21, 116180), (28, 87135), (30, 81326), (35, 69708), (37, 65940), (42, 58090), (60, 40663), (70, 34854), (74, 32970), (84, 29045), (105, 23236), (111, 21980), (140, 17427), (148, 16485), (157, 15540), (185, 13188), (210, 11618), (222, 10990), (259, 9420), (314, 7770), (370, 6594), (420, 5809), (444, 5495), (471, 5180), (518, 4710), (555, 4396), (628, 3885), (740, 3297), (777, 3140), (785, 3108), (942, 2590), (1036, 2355), (1099, 2220), (1110, 2198), (1295, 1884), (1554, 1570)]