204943152640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^2$

素因数の和:3268

約数の個数: 120

約数和(自身を含む): 507550139712

約数和(自身を除く): 302606987072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1607, 1984, 2480, 2560, 3214, 3968, 4960, 6428, 7936, 8035, 9920, 12856, 15872, 16070, 19840, 25712, 32140, 39680, 49817, 51424, 64280, 79360, 99634, 102848, 128560, 199268, 205696, 249085, 257120, 398536, 411392, 498170, 514240, 797072, 822784, 996340, 1028480, 1594144, 1992680, 2056960, 2582449, 3188288, 3985360, 4113920, 5164898, 6376576, 7970720, 10329796, 12753152, 12912245, 15941440, 20659592, 25506304, 25824490, 31882880, 41319184, 51648980, 63765760, 80055919, 82638368, 103297960, 127531520, 160111838, 165276736, 206595920, 320223676, 330553472, 400279595, 413191840, 640447352, 661106944, 800559190, 826383680, 1280894704, 1322213888, 1601118380, 1652767360, 2561789408, 3202236760, 3305534720, 5123578816, 6404473520, 6611069440, 10247157632, 12808947040, 20494315264, 25617894080, 40988630528, 51235788160, 102471576320, 204943152640]

約数ペア:

[(1, 204943152640), (2, 102471576320), (4, 51235788160), (5, 40988630528), (8, 25617894080), (10, 20494315264), (16, 12808947040), (20, 10247157632), (31, 6611069440), (32, 6404473520), (40, 5123578816), (62, 3305534720), (64, 3202236760), (80, 2561789408), (124, 1652767360), (128, 1601118380), (155, 1322213888), (160, 1280894704), (248, 826383680), (256, 800559190), (310, 661106944), (320, 640447352), (496, 413191840), (512, 400279595), (620, 330553472), (640, 320223676), (992, 206595920), (1240, 165276736), (1280, 160111838), (1607, 127531520), (1984, 103297960), (2480, 82638368), (2560, 80055919), (3214, 63765760), (3968, 51648980), (4960, 41319184), (6428, 31882880), (7936, 25824490), (8035, 25506304), (9920, 20659592), (12856, 15941440), (15872, 12912245), (16070, 12753152), (19840, 10329796), (25712, 7970720), (32140, 6376576), (39680, 5164898), (49817, 4113920), (51424, 3985360), (64280, 3188288), (79360, 2582449), (99634, 2056960), (102848, 1992680), (128560, 1594144), (199268, 1028480), (205696, 996340), (249085, 822784), (257120, 797072), (398536, 514240), (411392, 498170)]