85616440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 243048960

約数和(自身を除く): 157432520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 455, 520, 547, 559, 602, 728, 860, 910, 1094, 1118, 1204, 1505, 1720, 1820, 2188, 2236, 2408, 2735, 2795, 3010, 3640, 3829, 3913, 4376, 4472, 5470, 5590, 6020, 7111, 7658, 7826, 10940, 11180, 12040, 14222, 15316, 15652, 19145, 19565, 21880, 22360, 23521, 28444, 30632, 31304, 35555, 38290, 39130, 47042, 49777, 56888, 71110, 76580, 78260, 94084, 99554, 117605, 142220, 153160, 156520, 164647, 188168, 199108, 235210, 248885, 284440, 305773, 329294, 398216, 470420, 497770, 611546, 658588, 823235, 940840, 995540, 1223092, 1317176, 1528865, 1646470, 1991080, 2140411, 2446184, 3057730, 3292940, 4280822, 6115460, 6585880, 8561644, 10702055, 12230920, 17123288, 21404110, 42808220, 85616440]

約数ペア:

[(1, 85616440), (2, 42808220), (4, 21404110), (5, 17123288), (7, 12230920), (8, 10702055), (10, 8561644), (13, 6585880), (14, 6115460), (20, 4280822), (26, 3292940), (28, 3057730), (35, 2446184), (40, 2140411), (43, 1991080), (52, 1646470), (56, 1528865), (65, 1317176), (70, 1223092), (86, 995540), (91, 940840), (104, 823235), (130, 658588), (140, 611546), (172, 497770), (182, 470420), (215, 398216), (260, 329294), (280, 305773), (301, 284440), (344, 248885), (364, 235210), (430, 199108), (455, 188168), (520, 164647), (547, 156520), (559, 153160), (602, 142220), (728, 117605), (860, 99554), (910, 94084), (1094, 78260), (1118, 76580), (1204, 71110), (1505, 56888), (1720, 49777), (1820, 47042), (2188, 39130), (2236, 38290), (2408, 35555), (2735, 31304), (2795, 30632), (3010, 28444), (3640, 23521), (3829, 22360), (3913, 21880), (4376, 19565), (4472, 19145), (5470, 15652), (5590, 15316), (6020, 14222), (7111, 12040), (7658, 11180), (7826, 10940)]