129777920

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 316889496

約数和(自身を除く): 187111576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1696, 1913, 2120, 3392, 3826, 4240, 6784, 7652, 8480, 9565, 13568, 15304, 16960, 19130, 30608, 33920, 38260, 61216, 67840, 76520, 101389, 122432, 153040, 202778, 244864, 306080, 405556, 489728, 506945, 612160, 811112, 1013890, 1224320, 1622224, 2027780, 2448640, 3244448, 4055560, 6488896, 8111120, 12977792, 16222240, 25955584, 32444480, 64888960, 129777920]

約数ペア:

[(1, 129777920), (2, 64888960), (4, 32444480), (5, 25955584), (8, 16222240), (10, 12977792), (16, 8111120), (20, 6488896), (32, 4055560), (40, 3244448), (53, 2448640), (64, 2027780), (80, 1622224), (106, 1224320), (128, 1013890), (160, 811112), (212, 612160), (256, 506945), (265, 489728), (320, 405556), (424, 306080), (530, 244864), (640, 202778), (848, 153040), (1060, 122432), (1280, 101389), (1696, 76520), (1913, 67840), (2120, 61216), (3392, 38260), (3826, 33920), (4240, 30608), (6784, 19130), (7652, 16960), (8480, 15304), (9565, 13568)]