128562280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 376747200

約数和(自身を除く): 248184920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 67, 70, 77, 88, 89, 98, 110, 134, 140, 154, 178, 196, 220, 245, 268, 280, 308, 335, 356, 385, 392, 440, 445, 469, 490, 536, 539, 616, 623, 670, 712, 737, 770, 890, 938, 979, 980, 1078, 1246, 1340, 1474, 1540, 1780, 1876, 1958, 1960, 2156, 2345, 2492, 2680, 2695, 2948, 3080, 3115, 3283, 3560, 3685, 3752, 3916, 4312, 4361, 4690, 4895, 4984, 5159, 5390, 5896, 5963, 6230, 6566, 6853, 7370, 7832, 8722, 9380, 9790, 10318, 10780, 11926, 12460, 13132, 13706, 14740, 16415, 17444, 18760, 19580, 20636, 21560, 21805, 23852, 24920, 25795, 26264, 27412, 29480, 29815, 32830, 34265, 34888, 36113, 39160, 41272, 41741, 43610, 47704, 47971, 51590, 54824, 59630, 65593, 65660, 68530, 72226, 83482, 87220, 95942, 103180, 119260, 131186, 131320, 137060, 144452, 166964, 174440, 180565, 191884, 206360, 208705, 238520, 239855, 262372, 274120, 288904, 292187, 327965, 333928, 361130, 383768, 417410, 459151, 479710, 524744, 584374, 655930, 722260, 834820, 918302, 959420, 1168748, 1311860, 1444520, 1460935, 1669640, 1836604, 1918840, 2295755, 2337496, 2623720, 2921870, 3214057, 3673208, 4591510, 5843740, 6428114, 9183020, 11687480, 12856228, 16070285, 18366040, 25712456, 32140570, 64281140, 128562280]

約数ペア:

[(1, 128562280), (2, 64281140), (4, 32140570), (5, 25712456), (7, 18366040), (8, 16070285), (10, 12856228), (11, 11687480), (14, 9183020), (20, 6428114), (22, 5843740), (28, 4591510), (35, 3673208), (40, 3214057), (44, 2921870), (49, 2623720), (55, 2337496), (56, 2295755), (67, 1918840), (70, 1836604), (77, 1669640), (88, 1460935), (89, 1444520), (98, 1311860), (110, 1168748), (134, 959420), (140, 918302), (154, 834820), (178, 722260), (196, 655930), (220, 584374), (245, 524744), (268, 479710), (280, 459151), (308, 417410), (335, 383768), (356, 361130), (385, 333928), (392, 327965), (440, 292187), (445, 288904), (469, 274120), (490, 262372), (536, 239855), (539, 238520), (616, 208705), (623, 206360), (670, 191884), (712, 180565), (737, 174440), (770, 166964), (890, 144452), (938, 137060), (979, 131320), (980, 131186), (1078, 119260), (1246, 103180), (1340, 95942), (1474, 87220), (1540, 83482), (1780, 72226), (1876, 68530), (1958, 65660), (1960, 65593), (2156, 59630), (2345, 54824), (2492, 51590), (2680, 47971), (2695, 47704), (2948, 43610), (3080, 41741), (3115, 41272), (3283, 39160), (3560, 36113), (3685, 34888), (3752, 34265), (3916, 32830), (4312, 29815), (4361, 29480), (4690, 27412), (4895, 26264), (4984, 25795), (5159, 24920), (5390, 23852), (5896, 21805), (5963, 21560), (6230, 20636), (6566, 19580), (6853, 18760), (7370, 17444), (7832, 16415), (8722, 14740), (9380, 13706), (9790, 13132), (10318, 12460), (10780, 11926)]