82516720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7213}}^1$

素因数の和:7250

約数の個数: 80

約数和(自身を含む): 225423072

約数和(自身を除く): 142906352

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 7213, 11440, 14426, 28852, 36065, 57704, 72130, 79343, 93769, 115408, 144260, 158686, 187538, 288520, 317372, 375076, 396715, 468845, 577040, 634744, 750152, 793430, 937690, 1031459, 1269488, 1500304, 1586860, 1875380, 2062918, 3173720, 3750760, 4125836, 5157295, 6347440, 7501520, 8251672, 10314590, 16503344, 20629180, 41258360, 82516720]

約数ペア:

[(1, 82516720), (2, 41258360), (4, 20629180), (5, 16503344), (8, 10314590), (10, 8251672), (11, 7501520), (13, 6347440), (16, 5157295), (20, 4125836), (22, 3750760), (26, 3173720), (40, 2062918), (44, 1875380), (52, 1586860), (55, 1500304), (65, 1269488), (80, 1031459), (88, 937690), (104, 793430), (110, 750152), (130, 634744), (143, 577040), (176, 468845), (208, 396715), (220, 375076), (260, 317372), (286, 288520), (440, 187538), (520, 158686), (572, 144260), (715, 115408), (880, 93769), (1040, 79343), (1144, 72130), (1430, 57704), (2288, 36065), (2860, 28852), (5720, 14426), (7213, 11440)]