78680140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2735

約数の個数: 96

約数和(自身を含む): 216921600

約数和(自身を除く): 138241460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2660, 2689, 2926, 4180, 5378, 5852, 7315, 10756, 13445, 14630, 18823, 26890, 29260, 29579, 37646, 51091, 53780, 59158, 75292, 94115, 102182, 118316, 147895, 188230, 204364, 207053, 255455, 295790, 357637, 376460, 414106, 510910, 562001, 591580, 715274, 828212, 1021820, 1035265, 1124002, 1430548, 1788185, 2070530, 2248004, 2810005, 3576370, 3934007, 4141060, 5620010, 7152740, 7868014, 11240020, 15736028, 19670035, 39340070, 78680140]

約数ペア:

[(1, 78680140), (2, 39340070), (4, 19670035), (5, 15736028), (7, 11240020), (10, 7868014), (11, 7152740), (14, 5620010), (19, 4141060), (20, 3934007), (22, 3576370), (28, 2810005), (35, 2248004), (38, 2070530), (44, 1788185), (55, 1430548), (70, 1124002), (76, 1035265), (77, 1021820), (95, 828212), (110, 715274), (133, 591580), (140, 562001), (154, 510910), (190, 414106), (209, 376460), (220, 357637), (266, 295790), (308, 255455), (380, 207053), (385, 204364), (418, 188230), (532, 147895), (665, 118316), (770, 102182), (836, 94115), (1045, 75292), (1330, 59158), (1463, 53780), (1540, 51091), (2090, 37646), (2660, 29579), (2689, 29260), (2926, 26890), (4180, 18823), (5378, 14630), (5852, 13445), (7315, 10756)]