76438880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:652

約数の個数: 96

約数和(自身を含む): 208293120

約数和(自身を除く): 131854240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 139, 140, 160, 224, 278, 280, 491, 556, 560, 695, 973, 982, 1112, 1120, 1390, 1946, 1964, 2224, 2455, 2780, 3437, 3892, 3928, 4448, 4865, 4910, 5560, 6874, 7784, 7856, 9730, 9820, 11120, 13748, 15568, 15712, 17185, 19460, 19640, 22240, 27496, 31136, 34370, 38920, 39280, 54992, 68249, 68740, 77840, 78560, 109984, 136498, 137480, 155680, 272996, 274960, 341245, 477743, 545992, 549920, 682490, 955486, 1091984, 1364980, 1910972, 2183968, 2388715, 2729960, 3821944, 4777430, 5459920, 7643888, 9554860, 10919840, 15287776, 19109720, 38219440, 76438880]

約数ペア:

[(1, 76438880), (2, 38219440), (4, 19109720), (5, 15287776), (7, 10919840), (8, 9554860), (10, 7643888), (14, 5459920), (16, 4777430), (20, 3821944), (28, 2729960), (32, 2388715), (35, 2183968), (40, 1910972), (56, 1364980), (70, 1091984), (80, 955486), (112, 682490), (139, 549920), (140, 545992), (160, 477743), (224, 341245), (278, 274960), (280, 272996), (491, 155680), (556, 137480), (560, 136498), (695, 109984), (973, 78560), (982, 77840), (1112, 68740), (1120, 68249), (1390, 54992), (1946, 39280), (1964, 38920), (2224, 34370), (2455, 31136), (2780, 27496), (3437, 22240), (3892, 19640), (3928, 19460), (4448, 17185), (4865, 15712), (4910, 15568), (5560, 13748), (6874, 11120), (7784, 9820), (7856, 9730)]