66956120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21739}}^1$

素因数の和:21768

約数の個数: 64

約数和(自身を含む): 187833600

約数和(自身を除く): 120877480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21739, 43478, 86956, 108695, 152173, 173912, 217390, 239129, 304346, 434780, 478258, 608692, 760865, 869560, 956516, 1195645, 1217384, 1521730, 1673903, 1913032, 2391290, 3043460, 3347806, 4782580, 6086920, 6695612, 8369515, 9565160, 13391224, 16739030, 33478060, 66956120]

約数ペア:

[(1, 66956120), (2, 33478060), (4, 16739030), (5, 13391224), (7, 9565160), (8, 8369515), (10, 6695612), (11, 6086920), (14, 4782580), (20, 3347806), (22, 3043460), (28, 2391290), (35, 1913032), (40, 1673903), (44, 1521730), (55, 1217384), (56, 1195645), (70, 956516), (77, 869560), (88, 760865), (110, 608692), (140, 478258), (154, 434780), (220, 304346), (280, 239129), (308, 217390), (385, 173912), (440, 152173), (616, 108695), (770, 86956), (1540, 43478), (3080, 21739)]