201881680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2565

約数の個数: 160

約数和(自身を含む): 630459648

約数和(自身を除く): 428577968

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 2002, 2288, 2521, 2860, 3080, 3640, 4004, 5005, 5042, 5720, 6160, 7280, 8008, 10010, 10084, 11440, 12605, 16016, 17647, 20020, 20168, 25210, 27731, 32773, 35294, 40040, 40336, 50420, 55462, 65546, 70588, 80080, 88235, 100840, 110924, 131092, 138655, 141176, 163865, 176470, 194117, 201680, 221848, 229411, 262184, 277310, 282352, 327730, 352940, 360503, 388234, 443696, 458822, 524368, 554620, 655460, 705880, 721006, 776468, 917644, 970585, 1109240, 1147055, 1310920, 1411760, 1442012, 1552936, 1802515, 1835288, 1941170, 2218480, 2294110, 2523521, 2621840, 2884024, 3105872, 3605030, 3670576, 3882340, 4588220, 5047042, 5768048, 7210060, 7764680, 9176440, 10094084, 12617605, 14420120, 15529360, 18352880, 20188168, 25235210, 28840240, 40376336, 50470420, 100940840, 201881680]

約数ペア:

[(1, 201881680), (2, 100940840), (4, 50470420), (5, 40376336), (7, 28840240), (8, 25235210), (10, 20188168), (11, 18352880), (13, 15529360), (14, 14420120), (16, 12617605), (20, 10094084), (22, 9176440), (26, 7764680), (28, 7210060), (35, 5768048), (40, 5047042), (44, 4588220), (52, 3882340), (55, 3670576), (56, 3605030), (65, 3105872), (70, 2884024), (77, 2621840), (80, 2523521), (88, 2294110), (91, 2218480), (104, 1941170), (110, 1835288), (112, 1802515), (130, 1552936), (140, 1442012), (143, 1411760), (154, 1310920), (176, 1147055), (182, 1109240), (208, 970585), (220, 917644), (260, 776468), (280, 721006), (286, 705880), (308, 655460), (364, 554620), (385, 524368), (440, 458822), (455, 443696), (520, 388234), (560, 360503), (572, 352940), (616, 327730), (715, 282352), (728, 277310), (770, 262184), (880, 229411), (910, 221848), (1001, 201680), (1040, 194117), (1144, 176470), (1232, 163865), (1430, 141176), (1456, 138655), (1540, 131092), (1820, 110924), (2002, 100840), (2288, 88235), (2521, 80080), (2860, 70588), (3080, 65546), (3640, 55462), (4004, 50420), (5005, 40336), (5042, 40040), (5720, 35294), (6160, 32773), (7280, 27731), (8008, 25210), (10010, 20168), (10084, 20020), (11440, 17647), (12605, 16016)]