1285243960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{32099}}^1$

素因数の和:32141

約数の個数: 128

約数和(自身を含む): 3882816000

約数和(自身を除く): 2597572040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 8008, 10010, 20020, 32099, 40040, 64198, 128396, 160495, 224693, 256792, 320990, 353089, 417287, 449386, 641980, 706178, 834574, 898772, 1123465, 1283960, 1412356, 1669148, 1765445, 1797544, 2086435, 2246930, 2471623, 2824712, 2921009, 3338296, 3530890, 4172870, 4493860, 4590157, 4943246, 5842018, 7061780, 8345740, 8987720, 9180314, 9886492, 11684036, 12358115, 14123560, 14605045, 16691480, 18360628, 19772984, 22950785, 23368072, 24716230, 29210090, 32131099, 36721256, 45901570, 49432460, 58420180, 64262198, 91803140, 98864920, 116840360, 128524396, 160655495, 183606280, 257048792, 321310990, 642621980, 1285243960]

約数ペア:

[(1, 1285243960), (2, 642621980), (4, 321310990), (5, 257048792), (7, 183606280), (8, 160655495), (10, 128524396), (11, 116840360), (13, 98864920), (14, 91803140), (20, 64262198), (22, 58420180), (26, 49432460), (28, 45901570), (35, 36721256), (40, 32131099), (44, 29210090), (52, 24716230), (55, 23368072), (56, 22950785), (65, 19772984), (70, 18360628), (77, 16691480), (88, 14605045), (91, 14123560), (104, 12358115), (110, 11684036), (130, 9886492), (140, 9180314), (143, 8987720), (154, 8345740), (182, 7061780), (220, 5842018), (260, 4943246), (280, 4590157), (286, 4493860), (308, 4172870), (364, 3530890), (385, 3338296), (440, 2921009), (455, 2824712), (520, 2471623), (572, 2246930), (616, 2086435), (715, 1797544), (728, 1765445), (770, 1669148), (910, 1412356), (1001, 1283960), (1144, 1123465), (1430, 898772), (1540, 834574), (1820, 706178), (2002, 641980), (2860, 449386), (3080, 417287), (3640, 353089), (4004, 320990), (5005, 256792), (5720, 224693), (8008, 160495), (10010, 128396), (20020, 64198), (32099, 40040)]