215203840

素因数分解:

$2^{14}\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 537903072

約数和(自身を除く): 322699232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 71, 74, 80, 128, 142, 148, 160, 185, 256, 284, 296, 320, 355, 370, 512, 568, 592, 640, 710, 740, 1024, 1136, 1184, 1280, 1420, 1480, 2048, 2272, 2368, 2560, 2627, 2840, 2960, 4096, 4544, 4736, 5120, 5254, 5680, 5920, 8192, 9088, 9472, 10240, 10508, 11360, 11840, 13135, 16384, 18176, 18944, 20480, 21016, 22720, 23680, 26270, 36352, 37888, 40960, 42032, 45440, 47360, 52540, 72704, 75776, 81920, 84064, 90880, 94720, 105080, 145408, 151552, 168128, 181760, 189440, 210160, 290816, 303104, 336256, 363520, 378880, 420320, 581632, 606208, 672512, 727040, 757760, 840640, 1163264, 1345024, 1454080, 1515520, 1681280, 2690048, 2908160, 3031040, 3362560, 5380096, 5816320, 6725120, 10760192, 13450240, 21520384, 26900480, 43040768, 53800960, 107601920, 215203840]

約数ペア:

[(1, 215203840), (2, 107601920), (4, 53800960), (5, 43040768), (8, 26900480), (10, 21520384), (16, 13450240), (20, 10760192), (32, 6725120), (37, 5816320), (40, 5380096), (64, 3362560), (71, 3031040), (74, 2908160), (80, 2690048), (128, 1681280), (142, 1515520), (148, 1454080), (160, 1345024), (185, 1163264), (256, 840640), (284, 757760), (296, 727040), (320, 672512), (355, 606208), (370, 581632), (512, 420320), (568, 378880), (592, 363520), (640, 336256), (710, 303104), (740, 290816), (1024, 210160), (1136, 189440), (1184, 181760), (1280, 168128), (1420, 151552), (1480, 145408), (2048, 105080), (2272, 94720), (2368, 90880), (2560, 84064), (2627, 81920), (2840, 75776), (2960, 72704), (4096, 52540), (4544, 47360), (4736, 45440), (5120, 42032), (5254, 40960), (5680, 37888), (5920, 36352), (8192, 26270), (9088, 23680), (9472, 22720), (10240, 21016), (10508, 20480), (11360, 18944), (11840, 18176), (13135, 16384)]