319809920

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11621}}^1$

素因数の和:11683

約数の個数: 64

約数和(自身を含む): 782393040

約数和(自身を除く): 462583120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 5504, 6880, 11621, 13760, 23242, 27520, 46484, 58105, 92968, 116210, 185936, 232420, 371872, 464840, 499703, 743744, 929680, 999406, 1487488, 1859360, 1998812, 2498515, 3718720, 3997624, 4997030, 7437440, 7995248, 9994060, 15990496, 19988120, 31980992, 39976240, 63961984, 79952480, 159904960, 319809920]

約数ペア:

[(1, 319809920), (2, 159904960), (4, 79952480), (5, 63961984), (8, 39976240), (10, 31980992), (16, 19988120), (20, 15990496), (32, 9994060), (40, 7995248), (43, 7437440), (64, 4997030), (80, 3997624), (86, 3718720), (128, 2498515), (160, 1998812), (172, 1859360), (215, 1487488), (320, 999406), (344, 929680), (430, 743744), (640, 499703), (688, 464840), (860, 371872), (1376, 232420), (1720, 185936), (2752, 116210), (3440, 92968), (5504, 58105), (6880, 46484), (11621, 27520), (13760, 23242)]