79997120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:598

約数の個数: 112

約数和(自身を含む): 221211648

約数和(自身を除く): 141214528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 503, 560, 568, 710, 994, 1006, 1120, 1136, 1420, 1988, 2012, 2240, 2272, 2485, 2515, 2840, 3521, 3976, 4024, 4544, 4970, 5030, 5680, 7042, 7952, 8048, 9940, 10060, 11360, 14084, 15904, 16096, 17605, 19880, 20120, 22720, 28168, 31808, 32192, 35210, 35713, 39760, 40240, 56336, 70420, 71426, 79520, 80480, 112672, 140840, 142852, 159040, 160960, 178565, 225344, 249991, 281680, 285704, 357130, 499982, 563360, 571408, 714260, 999964, 1126720, 1142816, 1249955, 1428520, 1999928, 2285632, 2499910, 2857040, 3999856, 4999820, 5714080, 7999712, 9999640, 11428160, 15999424, 19999280, 39998560, 79997120]

約数ペア:

[(1, 79997120), (2, 39998560), (4, 19999280), (5, 15999424), (7, 11428160), (8, 9999640), (10, 7999712), (14, 5714080), (16, 4999820), (20, 3999856), (28, 2857040), (32, 2499910), (35, 2285632), (40, 1999928), (56, 1428520), (64, 1249955), (70, 1142816), (71, 1126720), (80, 999964), (112, 714260), (140, 571408), (142, 563360), (160, 499982), (224, 357130), (280, 285704), (284, 281680), (320, 249991), (355, 225344), (448, 178565), (497, 160960), (503, 159040), (560, 142852), (568, 140840), (710, 112672), (994, 80480), (1006, 79520), (1120, 71426), (1136, 70420), (1420, 56336), (1988, 40240), (2012, 39760), (2240, 35713), (2272, 35210), (2485, 32192), (2515, 31808), (2840, 28168), (3521, 22720), (3976, 20120), (4024, 19880), (4544, 17605), (4970, 16096), (5030, 15904), (5680, 14084), (7042, 11360), (7952, 10060), (8048, 9940)]