71237040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42403}}^1$

素因数の和:42426

約数の個数: 80

約数和(自身を含む): 252388608

約数和(自身を除く): 181151568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42403, 84806, 127209, 169612, 212015, 254418, 296821, 339224, 424030, 508836, 593642, 636045, 678448, 848060, 890463, 1017672, 1187284, 1272090, 1484105, 1696120, 1780926, 2035344, 2374568, 2544180, 2968210, 3392240, 3561852, 4452315, 4749136, 5088360, 5936420, 7123704, 8904630, 10176720, 11872840, 14247408, 17809260, 23745680, 35618520, 71237040]

約数ペア:

[(1, 71237040), (2, 35618520), (3, 23745680), (4, 17809260), (5, 14247408), (6, 11872840), (7, 10176720), (8, 8904630), (10, 7123704), (12, 5936420), (14, 5088360), (15, 4749136), (16, 4452315), (20, 3561852), (21, 3392240), (24, 2968210), (28, 2544180), (30, 2374568), (35, 2035344), (40, 1780926), (42, 1696120), (48, 1484105), (56, 1272090), (60, 1187284), (70, 1017672), (80, 890463), (84, 848060), (105, 678448), (112, 636045), (120, 593642), (140, 508836), (168, 424030), (210, 339224), (240, 296821), (280, 254418), (336, 212015), (420, 169612), (560, 127209), (840, 84806), (1680, 42403)]