87467120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2713}}^1$

素因数の和:2770

約数の個数: 80

約数和(自身を含む): 226152192

約数和(自身を除く): 138685072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 2713, 3224, 4030, 5426, 6448, 8060, 10852, 13565, 16120, 21704, 27130, 32240, 35269, 43408, 54260, 70538, 84103, 108520, 141076, 168206, 176345, 217040, 282152, 336412, 352690, 420515, 564304, 672824, 705380, 841030, 1093339, 1345648, 1410760, 1682060, 2186678, 2821520, 3364120, 4373356, 5466695, 6728240, 8746712, 10933390, 17493424, 21866780, 43733560, 87467120]

約数ペア:

[(1, 87467120), (2, 43733560), (4, 21866780), (5, 17493424), (8, 10933390), (10, 8746712), (13, 6728240), (16, 5466695), (20, 4373356), (26, 3364120), (31, 2821520), (40, 2186678), (52, 1682060), (62, 1410760), (65, 1345648), (80, 1093339), (104, 841030), (124, 705380), (130, 672824), (155, 564304), (208, 420515), (248, 352690), (260, 336412), (310, 282152), (403, 217040), (496, 176345), (520, 168206), (620, 141076), (806, 108520), (1040, 84103), (1240, 70538), (1612, 54260), (2015, 43408), (2480, 35269), (2713, 32240), (3224, 27130), (4030, 21704), (5426, 16120), (6448, 13565), (8060, 10852)]