320991120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1054

約数の個数: 160

約数和(自身を含む): 1113321600

約数和(自身を除く): 792330480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 173, 180, 216, 240, 270, 346, 360, 432, 519, 540, 692, 720, 859, 865, 1038, 1080, 1384, 1557, 1718, 1730, 2076, 2160, 2577, 2595, 2768, 3114, 3436, 3460, 4152, 4295, 4671, 5154, 5190, 6228, 6872, 6920, 7731, 7785, 8304, 8590, 9342, 10308, 10380, 12456, 12885, 13744, 13840, 15462, 15570, 17180, 18684, 20616, 20760, 23193, 23355, 24912, 25770, 30924, 31140, 34360, 37368, 38655, 41232, 41520, 46386, 46710, 51540, 61848, 62280, 68720, 74736, 77310, 92772, 93420, 103080, 115965, 123696, 124560, 148607, 154620, 185544, 186840, 206160, 231930, 297214, 309240, 371088, 373680, 445821, 463860, 594428, 618480, 743035, 891642, 927720, 1188856, 1337463, 1486070, 1783284, 1855440, 2229105, 2377712, 2674926, 2972140, 3566568, 4012389, 4458210, 5349852, 5944280, 6687315, 7133136, 8024778, 8916420, 10699704, 11888560, 13374630, 16049556, 17832840, 20061945, 21399408, 26749260, 32099112, 35665680, 40123890, 53498520, 64198224, 80247780, 106997040, 160495560, 320991120]

約数ペア:

[(1, 320991120), (2, 160495560), (3, 106997040), (4, 80247780), (5, 64198224), (6, 53498520), (8, 40123890), (9, 35665680), (10, 32099112), (12, 26749260), (15, 21399408), (16, 20061945), (18, 17832840), (20, 16049556), (24, 13374630), (27, 11888560), (30, 10699704), (36, 8916420), (40, 8024778), (45, 7133136), (48, 6687315), (54, 5944280), (60, 5349852), (72, 4458210), (80, 4012389), (90, 3566568), (108, 2972140), (120, 2674926), (135, 2377712), (144, 2229105), (173, 1855440), (180, 1783284), (216, 1486070), (240, 1337463), (270, 1188856), (346, 927720), (360, 891642), (432, 743035), (519, 618480), (540, 594428), (692, 463860), (720, 445821), (859, 373680), (865, 371088), (1038, 309240), (1080, 297214), (1384, 231930), (1557, 206160), (1718, 186840), (1730, 185544), (2076, 154620), (2160, 148607), (2577, 124560), (2595, 123696), (2768, 115965), (3114, 103080), (3436, 93420), (3460, 92772), (4152, 77310), (4295, 74736), (4671, 68720), (5154, 62280), (5190, 61848), (6228, 51540), (6872, 46710), (6920, 46386), (7731, 41520), (7785, 41232), (8304, 38655), (8590, 37368), (9342, 34360), (10308, 31140), (10380, 30924), (12456, 25770), (12885, 24912), (13744, 23355), (13840, 23193), (15462, 20760), (15570, 20616), (17180, 18684)]