145865720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3643}}^1$

素因数の和:3685

約数の個数: 128

約数和(自身を含む): 440778240

約数和(自身を除く): 294912520

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, 3643, 4004, 5005, 5720, 7286, 8008, 10010, 14572, 18215, 20020, 25501, 29144, 36430, 40040, 40073, 47359, 51002, 72860, 80146, 94718, 102004, 127505, 145720, 160292, 189436, 200365, 204008, 236795, 255010, 280511, 320584, 331513, 378872, 400730, 473590, 510020, 520949, 561022, 663026, 801460, 947180, 1020040, 1041898, 1122044, 1326052, 1402555, 1602920, 1657565, 1894360, 2083796, 2244088, 2604745, 2652104, 2805110, 3315130, 3646643, 4167592, 5209490, 5610220, 6630260, 7293286, 10418980, 11220440, 13260520, 14586572, 18233215, 20837960, 29173144, 36466430, 72932860, 145865720]

約数ペア:

[(1, 145865720), (2, 72932860), (4, 36466430), (5, 29173144), (7, 20837960), (8, 18233215), (10, 14586572), (11, 13260520), (13, 11220440), (14, 10418980), (20, 7293286), (22, 6630260), (26, 5610220), (28, 5209490), (35, 4167592), (40, 3646643), (44, 3315130), (52, 2805110), (55, 2652104), (56, 2604745), (65, 2244088), (70, 2083796), (77, 1894360), (88, 1657565), (91, 1602920), (104, 1402555), (110, 1326052), (130, 1122044), (140, 1041898), (143, 1020040), (154, 947180), (182, 801460), (220, 663026), (260, 561022), (280, 520949), (286, 510020), (308, 473590), (364, 400730), (385, 378872), (440, 331513), (455, 320584), (520, 280511), (572, 255010), (616, 236795), (715, 204008), (728, 200365), (770, 189436), (910, 160292), (1001, 145720), (1144, 127505), (1430, 102004), (1540, 94718), (1820, 80146), (2002, 72860), (2860, 51002), (3080, 47359), (3640, 40073), (3643, 40040), (4004, 36430), (5005, 29144), (5720, 25501), (7286, 20020), (8008, 18215), (10010, 14572)]