668990988

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1141

約数の個数: 120

約数和(自身を含む): 1859673200

約数和(自身を除く): 1190682212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 109, 114, 162, 171, 218, 228, 324, 327, 342, 436, 513, 654, 684, 981, 997, 1026, 1308, 1539, 1962, 1994, 2052, 2071, 2943, 2991, 3078, 3924, 3988, 4142, 5886, 5982, 6156, 6213, 8284, 8829, 8973, 11772, 11964, 12426, 17658, 17946, 18639, 18943, 24852, 26919, 35316, 35892, 37278, 37886, 53838, 55917, 56829, 74556, 75772, 80757, 107676, 108673, 111834, 113658, 161514, 167751, 170487, 217346, 223668, 227316, 323028, 326019, 335502, 340974, 434692, 511461, 652038, 671004, 681948, 978057, 1022922, 1304076, 1534383, 1956114, 2045844, 2064787, 2934171, 3068766, 3912228, 4129574, 5868342, 6137532, 6194361, 8259148, 8802513, 11736684, 12388722, 17605026, 18583083, 24777444, 35210052, 37166166, 55749249, 74332332, 111498498, 167247747, 222996996, 334495494, 668990988]

約数ペア:

[(1, 668990988), (2, 334495494), (3, 222996996), (4, 167247747), (6, 111498498), (9, 74332332), (12, 55749249), (18, 37166166), (19, 35210052), (27, 24777444), (36, 18583083), (38, 17605026), (54, 12388722), (57, 11736684), (76, 8802513), (81, 8259148), (108, 6194361), (109, 6137532), (114, 5868342), (162, 4129574), (171, 3912228), (218, 3068766), (228, 2934171), (324, 2064787), (327, 2045844), (342, 1956114), (436, 1534383), (513, 1304076), (654, 1022922), (684, 978057), (981, 681948), (997, 671004), (1026, 652038), (1308, 511461), (1539, 434692), (1962, 340974), (1994, 335502), (2052, 326019), (2071, 323028), (2943, 227316), (2991, 223668), (3078, 217346), (3924, 170487), (3988, 167751), (4142, 161514), (5886, 113658), (5982, 111834), (6156, 108673), (6213, 107676), (8284, 80757), (8829, 75772), (8973, 74556), (11772, 56829), (11964, 55917), (12426, 53838), (17658, 37886), (17946, 37278), (18639, 35892), (18943, 35316), (24852, 26919)]