318497480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 854945280

約数和(自身を除く): 536447800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 71, 74, 140, 142, 148, 185, 259, 280, 284, 296, 355, 370, 433, 497, 518, 568, 710, 740, 866, 994, 1036, 1295, 1420, 1480, 1732, 1988, 2072, 2165, 2485, 2590, 2627, 2840, 3031, 3464, 3976, 4330, 4970, 5180, 5254, 6062, 8660, 9940, 10360, 10508, 12124, 13135, 15155, 16021, 17320, 18389, 19880, 21016, 24248, 26270, 30310, 30743, 32042, 36778, 52540, 60620, 61486, 64084, 73556, 80105, 91945, 105080, 112147, 121240, 122972, 128168, 147112, 153715, 160210, 183890, 215201, 224294, 245944, 307430, 320420, 367780, 430402, 448588, 560735, 614860, 640840, 735560, 860804, 897176, 1076005, 1121470, 1137491, 1229720, 1721608, 2152010, 2242940, 2274982, 4304020, 4485880, 4549964, 5687455, 7962437, 8608040, 9099928, 11374910, 15924874, 22749820, 31849748, 39812185, 45499640, 63699496, 79624370, 159248740, 318497480]

約数ペア:

[(1, 318497480), (2, 159248740), (4, 79624370), (5, 63699496), (7, 45499640), (8, 39812185), (10, 31849748), (14, 22749820), (20, 15924874), (28, 11374910), (35, 9099928), (37, 8608040), (40, 7962437), (56, 5687455), (70, 4549964), (71, 4485880), (74, 4304020), (140, 2274982), (142, 2242940), (148, 2152010), (185, 1721608), (259, 1229720), (280, 1137491), (284, 1121470), (296, 1076005), (355, 897176), (370, 860804), (433, 735560), (497, 640840), (518, 614860), (568, 560735), (710, 448588), (740, 430402), (866, 367780), (994, 320420), (1036, 307430), (1295, 245944), (1420, 224294), (1480, 215201), (1732, 183890), (1988, 160210), (2072, 153715), (2165, 147112), (2485, 128168), (2590, 122972), (2627, 121240), (2840, 112147), (3031, 105080), (3464, 91945), (3976, 80105), (4330, 73556), (4970, 64084), (5180, 61486), (5254, 60620), (6062, 52540), (8660, 36778), (9940, 32042), (10360, 30743), (10508, 30310), (12124, 26270), (13135, 24248), (15155, 21016), (16021, 19880), (17320, 18389)]