121865920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 112

約数和(自身を含む): 320954400

約数和(自身を除く): 199088480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 160, 176, 178, 220, 320, 352, 356, 389, 440, 445, 704, 712, 778, 880, 890, 979, 1424, 1556, 1760, 1780, 1945, 1958, 2848, 3112, 3520, 3560, 3890, 3916, 4279, 4895, 5696, 6224, 7120, 7780, 7832, 8558, 9790, 12448, 14240, 15560, 15664, 17116, 19580, 21395, 24896, 28480, 31120, 31328, 34232, 34621, 39160, 42790, 62240, 62656, 68464, 69242, 78320, 85580, 124480, 136928, 138484, 156640, 171160, 173105, 273856, 276968, 313280, 342320, 346210, 380831, 553936, 684640, 692420, 761662, 1107872, 1369280, 1384840, 1523324, 1904155, 2215744, 2769680, 3046648, 3808310, 5539360, 6093296, 7616620, 11078720, 12186592, 15233240, 24373184, 30466480, 60932960, 121865920]

約数ペア:

[(1, 121865920), (2, 60932960), (4, 30466480), (5, 24373184), (8, 15233240), (10, 12186592), (11, 11078720), (16, 7616620), (20, 6093296), (22, 5539360), (32, 3808310), (40, 3046648), (44, 2769680), (55, 2215744), (64, 1904155), (80, 1523324), (88, 1384840), (89, 1369280), (110, 1107872), (160, 761662), (176, 692420), (178, 684640), (220, 553936), (320, 380831), (352, 346210), (356, 342320), (389, 313280), (440, 276968), (445, 273856), (704, 173105), (712, 171160), (778, 156640), (880, 138484), (890, 136928), (979, 124480), (1424, 85580), (1556, 78320), (1760, 69242), (1780, 68464), (1945, 62656), (1958, 62240), (2848, 42790), (3112, 39160), (3520, 34621), (3560, 34232), (3890, 31328), (3916, 31120), (4279, 28480), (4895, 24896), (5696, 21395), (6224, 19580), (7120, 17116), (7780, 15664), (7832, 15560), (8558, 14240), (9790, 12448)]