206888320

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 522158400

約数和(自身を除く): 315270080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 71, 80, 116, 128, 142, 145, 157, 160, 232, 284, 290, 314, 320, 355, 464, 568, 580, 628, 640, 710, 785, 928, 1136, 1160, 1256, 1420, 1570, 1856, 2059, 2272, 2320, 2512, 2840, 3140, 3712, 4118, 4544, 4553, 4640, 5024, 5680, 6280, 8236, 9088, 9106, 9280, 10048, 10295, 11147, 11360, 12560, 16472, 18212, 18560, 20096, 20590, 22294, 22720, 22765, 25120, 32944, 36424, 41180, 44588, 45440, 45530, 50240, 55735, 65888, 72848, 82360, 89176, 91060, 100480, 111470, 131776, 145696, 164720, 178352, 182120, 222940, 263552, 291392, 323263, 329440, 356704, 364240, 445880, 582784, 646526, 658880, 713408, 728480, 891760, 1293052, 1317760, 1426816, 1456960, 1616315, 1783520, 2586104, 2913920, 3232630, 3567040, 5172208, 6465260, 7134080, 10344416, 12930520, 20688832, 25861040, 41377664, 51722080, 103444160, 206888320]

約数ペア:

[(1, 206888320), (2, 103444160), (4, 51722080), (5, 41377664), (8, 25861040), (10, 20688832), (16, 12930520), (20, 10344416), (29, 7134080), (32, 6465260), (40, 5172208), (58, 3567040), (64, 3232630), (71, 2913920), (80, 2586104), (116, 1783520), (128, 1616315), (142, 1456960), (145, 1426816), (157, 1317760), (160, 1293052), (232, 891760), (284, 728480), (290, 713408), (314, 658880), (320, 646526), (355, 582784), (464, 445880), (568, 364240), (580, 356704), (628, 329440), (640, 323263), (710, 291392), (785, 263552), (928, 222940), (1136, 182120), (1160, 178352), (1256, 164720), (1420, 145696), (1570, 131776), (1856, 111470), (2059, 100480), (2272, 91060), (2320, 89176), (2512, 82360), (2840, 72848), (3140, 65888), (3712, 55735), (4118, 50240), (4544, 45530), (4553, 45440), (4640, 44588), (5024, 41180), (5680, 36424), (6280, 32944), (8236, 25120), (9088, 22765), (9106, 22720), (9280, 22294), (10048, 20590), (10295, 20096), (11147, 18560), (11360, 18212), (12560, 16472)]