71979120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{99971}}^1$

素因数の和:99990

約数の個数: 60

約数和(自身を含む): 241732296

約数和(自身を除く): 169753176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 99971, 199942, 299913, 399884, 499855, 599826, 799768, 899739, 999710, 1199652, 1499565, 1599536, 1799478, 1999420, 2399304, 2999130, 3598956, 3998840, 4498695, 4798608, 5998260, 7197912, 7997680, 8997390, 11996520, 14395824, 17994780, 23993040, 35989560, 71979120]

約数ペア:

[(1, 71979120), (2, 35989560), (3, 23993040), (4, 17994780), (5, 14395824), (6, 11996520), (8, 8997390), (9, 7997680), (10, 7197912), (12, 5998260), (15, 4798608), (16, 4498695), (18, 3998840), (20, 3598956), (24, 2999130), (30, 2399304), (36, 1999420), (40, 1799478), (45, 1599536), (48, 1499565), (60, 1199652), (72, 999710), (80, 899739), (90, 799768), (120, 599826), (144, 499855), (180, 399884), (240, 299913), (360, 199942), (720, 99971)]