81168240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2663}}^1$

素因数の和:2806

約数の個数: 80

約数和(自身を含む): 253698048

約数和(自身を除く): 172529808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 2663, 3048, 3810, 5080, 5326, 6096, 7620, 7989, 10160, 10652, 13315, 15240, 15978, 21304, 26630, 30480, 31956, 39945, 42608, 53260, 63912, 79890, 106520, 127824, 159780, 213040, 319560, 338201, 639120, 676402, 1014603, 1352804, 1691005, 2029206, 2705608, 3382010, 4058412, 5073015, 5411216, 6764020, 8116824, 10146030, 13528040, 16233648, 20292060, 27056080, 40584120, 81168240]

約数ペア:

[(1, 81168240), (2, 40584120), (3, 27056080), (4, 20292060), (5, 16233648), (6, 13528040), (8, 10146030), (10, 8116824), (12, 6764020), (15, 5411216), (16, 5073015), (20, 4058412), (24, 3382010), (30, 2705608), (40, 2029206), (48, 1691005), (60, 1352804), (80, 1014603), (120, 676402), (127, 639120), (240, 338201), (254, 319560), (381, 213040), (508, 159780), (635, 127824), (762, 106520), (1016, 79890), (1270, 63912), (1524, 53260), (1905, 42608), (2032, 39945), (2540, 31956), (2663, 30480), (3048, 26630), (3810, 21304), (5080, 15978), (5326, 15240), (6096, 13315), (7620, 10652), (7989, 10160)]