155350720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:558

約数の個数: 112

約数和(自身を含む): 426037248

約数和(自身を除く): 270686528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 223, 224, 280, 311, 320, 446, 448, 560, 622, 892, 1115, 1120, 1244, 1555, 1561, 1784, 2177, 2230, 2240, 2488, 3110, 3122, 3568, 4354, 4460, 4976, 6220, 6244, 7136, 7805, 8708, 8920, 9952, 10885, 12440, 12488, 14272, 15610, 17416, 17840, 19904, 21770, 24880, 24976, 31220, 34832, 35680, 43540, 49760, 49952, 62440, 69353, 69664, 71360, 87080, 99520, 99904, 124880, 138706, 139328, 174160, 249760, 277412, 346765, 348320, 485471, 499520, 554824, 693530, 696640, 970942, 1109648, 1387060, 1941884, 2219296, 2427355, 2774120, 3883768, 4438592, 4854710, 5548240, 7767536, 9709420, 11096480, 15535072, 19418840, 22192960, 31070144, 38837680, 77675360, 155350720]

約数ペア:

[(1, 155350720), (2, 77675360), (4, 38837680), (5, 31070144), (7, 22192960), (8, 19418840), (10, 15535072), (14, 11096480), (16, 9709420), (20, 7767536), (28, 5548240), (32, 4854710), (35, 4438592), (40, 3883768), (56, 2774120), (64, 2427355), (70, 2219296), (80, 1941884), (112, 1387060), (140, 1109648), (160, 970942), (223, 696640), (224, 693530), (280, 554824), (311, 499520), (320, 485471), (446, 348320), (448, 346765), (560, 277412), (622, 249760), (892, 174160), (1115, 139328), (1120, 138706), (1244, 124880), (1555, 99904), (1561, 99520), (1784, 87080), (2177, 71360), (2230, 69664), (2240, 69353), (2488, 62440), (3110, 49952), (3122, 49760), (3568, 43540), (4354, 35680), (4460, 34832), (4976, 31220), (6220, 24976), (6244, 24880), (7136, 21770), (7805, 19904), (8708, 17840), (8920, 17416), (9952, 15610), (10885, 14272), (12440, 12488)]