71277280

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 175301280

約数和(自身を除く): 104024000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 67, 80, 109, 122, 134, 160, 218, 244, 268, 305, 335, 436, 488, 536, 545, 610, 670, 872, 976, 1072, 1090, 1220, 1340, 1744, 1952, 2144, 2180, 2440, 2680, 3488, 4087, 4360, 4880, 5360, 6649, 7303, 8174, 8720, 9760, 10720, 13298, 14606, 16348, 17440, 20435, 26596, 29212, 32696, 33245, 36515, 40870, 53192, 58424, 65392, 66490, 73030, 81740, 106384, 116848, 130784, 132980, 146060, 163480, 212768, 233696, 265960, 292120, 326960, 445483, 531920, 584240, 653920, 890966, 1063840, 1168480, 1781932, 2227415, 3563864, 4454830, 7127728, 8909660, 14255456, 17819320, 35638640, 71277280]

約数ペア:

[(1, 71277280), (2, 35638640), (4, 17819320), (5, 14255456), (8, 8909660), (10, 7127728), (16, 4454830), (20, 3563864), (32, 2227415), (40, 1781932), (61, 1168480), (67, 1063840), (80, 890966), (109, 653920), (122, 584240), (134, 531920), (160, 445483), (218, 326960), (244, 292120), (268, 265960), (305, 233696), (335, 212768), (436, 163480), (488, 146060), (536, 132980), (545, 130784), (610, 116848), (670, 106384), (872, 81740), (976, 73030), (1072, 66490), (1090, 65392), (1220, 58424), (1340, 53192), (1744, 40870), (1952, 36515), (2144, 33245), (2180, 32696), (2440, 29212), (2680, 26596), (3488, 20435), (4087, 17440), (4360, 16348), (4880, 14606), (5360, 13298), (6649, 10720), (7303, 9760), (8174, 8720)]