159994240

素因数分解:

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

素因数の和:600

約数の個数: 128

約数和(自身を含む): 444165120

約数和(自身を除く): 284170880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 503, 560, 568, 640, 710, 896, 994, 1006, 1120, 1136, 1420, 1988, 2012, 2240, 2272, 2485, 2515, 2840, 3521, 3976, 4024, 4480, 4544, 4970, 5030, 5680, 7042, 7952, 8048, 9088, 9940, 10060, 11360, 14084, 15904, 16096, 17605, 19880, 20120, 22720, 28168, 31808, 32192, 35210, 35713, 39760, 40240, 45440, 56336, 63616, 64384, 70420, 71426, 79520, 80480, 112672, 140840, 142852, 159040, 160960, 178565, 225344, 249991, 281680, 285704, 318080, 321920, 357130, 450688, 499982, 563360, 571408, 714260, 999964, 1126720, 1142816, 1249955, 1428520, 1999928, 2253440, 2285632, 2499910, 2857040, 3999856, 4571264, 4999820, 5714080, 7999712, 9999640, 11428160, 15999424, 19999280, 22856320, 31998848, 39998560, 79997120, 159994240]

約数ペア:

[(1, 159994240), (2, 79997120), (4, 39998560), (5, 31998848), (7, 22856320), (8, 19999280), (10, 15999424), (14, 11428160), (16, 9999640), (20, 7999712), (28, 5714080), (32, 4999820), (35, 4571264), (40, 3999856), (56, 2857040), (64, 2499910), (70, 2285632), (71, 2253440), (80, 1999928), (112, 1428520), (128, 1249955), (140, 1142816), (142, 1126720), (160, 999964), (224, 714260), (280, 571408), (284, 563360), (320, 499982), (355, 450688), (448, 357130), (497, 321920), (503, 318080), (560, 285704), (568, 281680), (640, 249991), (710, 225344), (896, 178565), (994, 160960), (1006, 159040), (1120, 142852), (1136, 140840), (1420, 112672), (1988, 80480), (2012, 79520), (2240, 71426), (2272, 70420), (2485, 64384), (2515, 63616), (2840, 56336), (3521, 45440), (3976, 40240), (4024, 39760), (4480, 35713), (4544, 35210), (4970, 32192), (5030, 31808), (5680, 28168), (7042, 22720), (7952, 20120), (8048, 19880), (9088, 17605), (9940, 16096), (10060, 15904), (11360, 14084)]