728215520

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{156943}}^1$

素因数の和:156987

約数の個数: 48

約数和(自身を含む): 1779744960

約数和(自身を除く): 1051529440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 156943, 313886, 627772, 784715, 1255544, 1569430, 2511088, 3138860, 4551347, 5022176, 6277720, 9102694, 12555440, 18205388, 22756735, 25110880, 36410776, 45513470, 72821552, 91026940, 145643104, 182053880, 364107760, 728215520]

約数ペア:

[(1, 728215520), (2, 364107760), (4, 182053880), (5, 145643104), (8, 91026940), (10, 72821552), (16, 45513470), (20, 36410776), (29, 25110880), (32, 22756735), (40, 18205388), (58, 12555440), (80, 9102694), (116, 6277720), (145, 5022176), (160, 4551347), (232, 3138860), (290, 2511088), (464, 1569430), (580, 1255544), (928, 784715), (1160, 627772), (2320, 313886), (4640, 156943)]