64085240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 154884960

約数和(自身を除く): 90799720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 292, 340, 365, 584, 680, 730, 1241, 1291, 1460, 2482, 2582, 2920, 4964, 5164, 6205, 6455, 9928, 10328, 12410, 12910, 21947, 24820, 25820, 43894, 49640, 51640, 87788, 94243, 109735, 175576, 188486, 219470, 376972, 438940, 471215, 753944, 877880, 942430, 1602131, 1884860, 3204262, 3769720, 6408524, 8010655, 12817048, 16021310, 32042620, 64085240]

約数ペア:

[(1, 64085240), (2, 32042620), (4, 16021310), (5, 12817048), (8, 8010655), (10, 6408524), (17, 3769720), (20, 3204262), (34, 1884860), (40, 1602131), (68, 942430), (73, 877880), (85, 753944), (136, 471215), (146, 438940), (170, 376972), (292, 219470), (340, 188486), (365, 175576), (584, 109735), (680, 94243), (730, 87788), (1241, 51640), (1291, 49640), (1460, 43894), (2482, 25820), (2582, 24820), (2920, 21947), (4964, 12910), (5164, 12410), (6205, 10328), (6455, 9928)]