80356480

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 206219520

約数和(自身を除く): 125863040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 64, 80, 92, 103, 106, 115, 128, 160, 184, 206, 212, 230, 265, 320, 368, 412, 424, 460, 515, 530, 640, 736, 824, 848, 920, 1030, 1060, 1219, 1472, 1648, 1696, 1840, 2060, 2120, 2369, 2438, 2944, 3296, 3392, 3680, 4120, 4240, 4738, 4876, 5459, 6095, 6592, 6784, 7360, 8240, 8480, 9476, 9752, 10918, 11845, 12190, 13184, 14720, 16480, 16960, 18952, 19504, 21836, 23690, 24380, 27295, 32960, 33920, 37904, 39008, 43672, 47380, 48760, 54590, 65920, 75808, 78016, 87344, 94760, 97520, 109180, 125557, 151616, 156032, 174688, 189520, 195040, 218360, 251114, 303232, 349376, 379040, 390080, 436720, 502228, 627785, 698752, 758080, 780160, 873440, 1004456, 1255570, 1516160, 1746880, 2008912, 2511140, 3493760, 4017824, 5022280, 8035648, 10044560, 16071296, 20089120, 40178240, 80356480]

約数ペア:

[(1, 80356480), (2, 40178240), (4, 20089120), (5, 16071296), (8, 10044560), (10, 8035648), (16, 5022280), (20, 4017824), (23, 3493760), (32, 2511140), (40, 2008912), (46, 1746880), (53, 1516160), (64, 1255570), (80, 1004456), (92, 873440), (103, 780160), (106, 758080), (115, 698752), (128, 627785), (160, 502228), (184, 436720), (206, 390080), (212, 379040), (230, 349376), (265, 303232), (320, 251114), (368, 218360), (412, 195040), (424, 189520), (460, 174688), (515, 156032), (530, 151616), (640, 125557), (736, 109180), (824, 97520), (848, 94760), (920, 87344), (1030, 78016), (1060, 75808), (1219, 65920), (1472, 54590), (1648, 48760), (1696, 47380), (1840, 43672), (2060, 39008), (2120, 37904), (2369, 33920), (2438, 32960), (2944, 27295), (3296, 24380), (3392, 23690), (3680, 21836), (4120, 19504), (4240, 18952), (4738, 16960), (4876, 16480), (5459, 14720), (6095, 13184), (6592, 12190), (6784, 11845), (7360, 10918), (8240, 9752), (8480, 9476)]