989850960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{28057}}^1$

素因数の和:28090

約数の個数: 180

約数和(自身を含む): 3867121908

約数和(自身を除く): 2877270948

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 28057, 35280, 56114, 84171, 112228, 140285, 168342, 196399, 224456, 252513, 280570, 336684, 392798, 420855, 448912, 505026, 561140, 589197, 673368, 785596, 841710, 981995, 1010052, 1122280, 1178394, 1262565, 1346736, 1374793, 1571192, 1683420, 1767591, 1963990, 2020104, 2244560, 2356788, 2525130, 2749586, 2945985, 3142384, 3366840, 3535182, 3927980, 4040208, 4124379, 4713576, 5050260, 5499172, 5891970, 6733680, 6873965, 7070364, 7855960, 8248758, 8837955, 9427152, 10100520, 10998344, 11783940, 12373137, 13747930, 14140728, 15711920, 16497516, 17675910, 20201040, 20621895, 21996688, 23567880, 24746274, 27495860, 28281456, 32995032, 35351820, 41243790, 47135760, 49492548, 54991720, 61865685, 65990064, 70703640, 82487580, 98985096, 109983440, 123731370, 141407280, 164975160, 197970192, 247462740, 329950320, 494925480, 989850960]

約数ペア:

[(1, 989850960), (2, 494925480), (3, 329950320), (4, 247462740), (5, 197970192), (6, 164975160), (7, 141407280), (8, 123731370), (9, 109983440), (10, 98985096), (12, 82487580), (14, 70703640), (15, 65990064), (16, 61865685), (18, 54991720), (20, 49492548), (21, 47135760), (24, 41243790), (28, 35351820), (30, 32995032), (35, 28281456), (36, 27495860), (40, 24746274), (42, 23567880), (45, 21996688), (48, 20621895), (49, 20201040), (56, 17675910), (60, 16497516), (63, 15711920), (70, 14140728), (72, 13747930), (80, 12373137), (84, 11783940), (90, 10998344), (98, 10100520), (105, 9427152), (112, 8837955), (120, 8248758), (126, 7855960), (140, 7070364), (144, 6873965), (147, 6733680), (168, 5891970), (180, 5499172), (196, 5050260), (210, 4713576), (240, 4124379), (245, 4040208), (252, 3927980), (280, 3535182), (294, 3366840), (315, 3142384), (336, 2945985), (360, 2749586), (392, 2525130), (420, 2356788), (441, 2244560), (490, 2020104), (504, 1963990), (560, 1767591), (588, 1683420), (630, 1571192), (720, 1374793), (735, 1346736), (784, 1262565), (840, 1178394), (882, 1122280), (980, 1010052), (1008, 981995), (1176, 841710), (1260, 785596), (1470, 673368), (1680, 589197), (1764, 561140), (1960, 505026), (2205, 448912), (2352, 420855), (2520, 392798), (2940, 336684), (3528, 280570), (3920, 252513), (4410, 224456), (5040, 196399), (5880, 168342), (7056, 140285), (8820, 112228), (11760, 84171), (17640, 56114), (28057, 35280)]