165428480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 466032000

約数和(自身を除く): 300603520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 256, 259, 280, 296, 320, 370, 448, 499, 518, 560, 592, 640, 740, 896, 998, 1036, 1120, 1184, 1280, 1295, 1480, 1792, 1996, 2072, 2240, 2368, 2495, 2590, 2960, 3493, 3992, 4144, 4480, 4736, 4990, 5180, 5920, 6986, 7984, 8288, 8960, 9472, 9980, 10360, 11840, 13972, 15968, 16576, 17465, 18463, 19960, 20720, 23680, 27944, 31936, 33152, 34930, 36926, 39920, 41440, 47360, 55888, 63872, 66304, 69860, 73852, 79840, 82880, 92315, 111776, 127744, 129241, 139720, 147704, 159680, 165760, 184630, 223552, 258482, 279440, 295408, 319360, 331520, 369260, 447104, 516964, 558880, 590816, 638720, 646205, 738520, 894208, 1033928, 1117760, 1181632, 1292410, 1477040, 2067856, 2235520, 2363264, 2584820, 2954080, 4135712, 4471040, 4726528, 5169640, 5908160, 8271424, 10339280, 11816320, 16542848, 20678560, 23632640, 33085696, 41357120, 82714240, 165428480]

約数ペア:

[(1, 165428480), (2, 82714240), (4, 41357120), (5, 33085696), (7, 23632640), (8, 20678560), (10, 16542848), (14, 11816320), (16, 10339280), (20, 8271424), (28, 5908160), (32, 5169640), (35, 4726528), (37, 4471040), (40, 4135712), (56, 2954080), (64, 2584820), (70, 2363264), (74, 2235520), (80, 2067856), (112, 1477040), (128, 1292410), (140, 1181632), (148, 1117760), (160, 1033928), (185, 894208), (224, 738520), (256, 646205), (259, 638720), (280, 590816), (296, 558880), (320, 516964), (370, 447104), (448, 369260), (499, 331520), (518, 319360), (560, 295408), (592, 279440), (640, 258482), (740, 223552), (896, 184630), (998, 165760), (1036, 159680), (1120, 147704), (1184, 139720), (1280, 129241), (1295, 127744), (1480, 111776), (1792, 92315), (1996, 82880), (2072, 79840), (2240, 73852), (2368, 69860), (2495, 66304), (2590, 63872), (2960, 55888), (3493, 47360), (3992, 41440), (4144, 39920), (4480, 36926), (4736, 34930), (4990, 33152), (5180, 31936), (5920, 27944), (6986, 23680), (7984, 20720), (8288, 19960), (8960, 18463), (9472, 17465), (9980, 16576), (10360, 15968), (11840, 13972)]